Etymology:
The word "icosahedron" comes from the Greek words "eikosi," meaning "twenty," and "hedron," meaning "base," or "face."
Meaning:
An icosahedron is a polyhedron with 20 faces, 30 edges, and 12 vertices. It is a regular polyhedron, meaning that all of its faces are congruent regular polygons. The faces of an icosahedron are equilateral triangles.
Origin:
The first known description of an icosahedron was given by the Greek mathematician Theaetetus in the 4th century BC. Theaetetus proved that there are exactly five regular polyhedra, including the icosahedron.
The icosahedron has been used in geometry and mathematics for centuries. It is one of the Platonic solids, which are five polyhedra that can be constructed from regular polygons. The icosahedron has also been used in architecture, art, and design.
Etymology The word cent is derived from the Latin word centum meaning hundred Me
Etymology Centenarian is derived from the Latin words centum hundred and annus
Etymology From Latin centēnārius meaning pertaining to a hundred From centēni
Etymology The word centi comes from the Latin word centum meaning hundred It was
Etymology From French centime from cent hundred Introduced into English in the 19th
Etymology Latin centurio Proto Indo European ḱm̥tós English centurion Meaning
Etymology The word century is derived from the Latin word centuria which refers to a
Etymology Latin centennialis French centenaire English centennial Meaning
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Etymology Old English Deán Proto Germanic Dehans Proto Indo European Dheḱ Me
Etymology The word deca comes from the Greek word deka meaning ten It is a prefix
Etymology The word decade derives from the Latin word decem meaning ten In the ea
Etymology New Latin decagonum from Greek dekagonon from deka ten gonia angle
Etymology The word decalogue is derived from the Greek words deka δέκα meaning
Etymology Greek deka ten hemera day Meaning Ten Days or Ten Day Stor
Etymology Derived from Greek deka ten pod foot Meaning An animal that
Etymology December derives from the Latin word decem meaning ten It was originally
Etymology Latin decennialis occurring every ten years New Latin decennalis Middle
Etymology The word deci is derived from the Latin word decimus meaning tenth Mea
Etymology French décile Latin decilis PIE root dek ten Meaning A deci
Etymology From Latin decimalis meaning of or relating to tenths Ultimately derived
Etymology Derived from the Latin verb decimāre meaning to take a tenth part Me
Etymology From Latin decimare to tithe from decimus tenth Meaning Origina
Etymology From Latin decuplus tenfold from decem ten plus more Meaning
Etymology Decussate comes from the Latin verb decussare meaning to cross in the for
Etymology The word denarius is derived from the Latin word deni meaning ten Mean
Etymology Middle Dutch dic thick Proto Germanic thikwaz thick Meaning Ad
Etymology From the Latin phrase dime mediae notae meaning half of a nota Nota i
Etymology The word dinar is derived from the Late Latin word denarius which was a R
Etymology The word doyen is derived from the Old French word doiien which in turn co
Etymology The word dozen comes from the Old French word douzaine which in turn comes
Etymology Late Latin duodecimalis Latin duodēnī ālis from Latin duodēnī twe
Etymology The word duodecimo comes from the Latin phrase duodecimo loco which means
Etymology Old English eahtatyne from eaht eight tiene ten Meaning A car
Etymology Originating from Old English fiftiene inflected form of fif five and
Etymology The word fourteen traces its roots back to Old English where it was written
Etymology of Hecatomb The word hecatomb is derived from the Ancient Greek words ἑ
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Etymology The word hundred comes from the Old English word hundrēd meaning group
Etymology The word icosahedron comes from the Greek words eikosi meaning twenty
Etymology The word nineteen comes from the Old English phrase nigontyne which itself
Etymology The word nonagenarian is derived from the Latin words nona nine and g
Etymology octo Latin eight geni Latin to produce arian Latin suffix pertaini
Etymology Greek πεντηκοστή pentēkostē meaning fiftieth day Meanin
Etymology Origin Latin per centum meaning by the hundred Origin French pour c
Etymology Italian quattrocento Meaning The 15th century specifically in Italian
Etymology Latin Septuaginta Greek Ἑβδομήκοντα Hebdomēkonta Meaning a
Etymology The name SEVENTEEN is a combination of two Korean words Se 세 mean
Etymology The word sixteen comes from the Old English word sixtīene which is itself
Etymology Old English tēoða from Proto Germanic tehun dōn from Proto Indo European
Etymology The word thirteen comes from the Old English word þrēotēne which is a c
Etymology The word thousand comes from the Old English word þūsend which is cogna
Etymology The word tithe comes from the Old English word teotha which in turn comes
Etymology Etymology refers to the study of the origin and evolution of words and the chan
Etymology Latin assiduus constant diligent Proto Indo European h₂ses to se
Etymology From Old French assise from Late Latin assīsa derived from Latin assidēre
Etymology Old Irish ben síde literally woman of the fairy mound Meaning A
Etymology Old French beset besettre beset from Old English besetten to beset a
Etymology From Latin cathedra from Greek καθέδρα kathedra meaning seat or
Etymology The word cathedral comes from the Late Latin word cathedralis which is de
Etymology The English word chair comes from the Old English word cæˆre which is a
Etymology Middle English cossen cosset Old French cousser cosset Vulgar Latin con
Etymology The word dissident originates from the Latin word dis sentire meaning to
Etymology and Origin The word dodecahedron comes from two Greek words Dodeca meani
Etymology The word eisteddfod is derived from the Old Welsh words eistedd to sit a
Etymology The word ephedra is derived from the Greek words epi upon and hedra se
Etymology German from Middle High German ersatz compensation substitute from erset
Etymology The word icosahedron comes from the Greek words eikosi meaning twenty
Etymology Latin inserere to insert Meaning Literally to place or fix into somet
Etymology The word insidious is derived from the Latin word insidiosus meaning craf
Etymology The word nest comes from the Old English noun nest which meant a place wh
Etymology French niche alcove recess from Italian nicchia niche recess probably
Etymology Derived from the Greek name Νικόλαος Nikolaos meaning victory of
Etymology The word nidicolous comes from Latin nidus nest colus inhabiting
Etymology Latin nidificare meaning to make a nest Nid from Latin nidus mea
Etymology The word nidus is derived from the Latin word nīdus meaning nest Mean
Etymology Latin ob sessum Meaning To be preoccupied with or fixated upon a parti
Etymology The word octahedron comes from the Greek words okta ὀκτά meaning e
Etymology The word piezo is derived from the Greek word piezein which means to pre
Etymology Ancient Greek polus many hedron base seat Meaning A polyhedron
Etymology From Middle English possessen from Old French possessir from Latin possess
Etymology and Origin of Preside Preside comes from the Latin word praesidēre which
Etymology The word reside comes from the Latin verb residēre which means to sit do
Etymology Middle English sadel from Old English sadol sadul Proto West Germanic sa
Etymology The word Sanhedrin is derived from the Greek word sunedrion which means
Etymology The word séance comes from the French word séance which means session
Etymology Old English sēte Proto Germanic satuz Proto Indo European root so
Etymology The word sedan has its origins in the Italian city of Sedan located in the
Etymology of sedate Origin Late Latin sedatus from Latin sedare to calm settle so
Etymology Latin sedentarius adjective Late Latin sedentarius noun Meaning
Etymology and Meaning Sederunt is a Latin word meaning they sat It is the past tense
Etymology of sediment Derived from the Latin word sedimentum meaning a settling
Etymology The word sessile originates from the Latin word sessilis which means sit
Etymology Latin sessio meaning a sitting From sedere meaning to sit Meanin
Etymology The word sett has multiple origins and meanings depending on its specific us
Etymology Middle English settelen from Old English setlan from Proto Germanic satli
Etymology Middle English settelen from Old English setlan from Proto Germanic satli
Etymology Middle French siege from Old French siege meaning seat Latin sedes
Etymology The term sitz bath is a combination of two German words Sitz Meaning sit
Etymology From French Sitzkrieg literally sitting war from German Sitzkrieg liter
Etymology Old English siȝe Middle English sise Late Latin sīsus meaning amoun
Etymology The word soil originates from the Old French word soil which itself derive
Etymology Old English Sumorsæte Middle English Somersete Meaning Summer people
Etymology Soot comes from the following sources Old English sot meaning blackne
Etymology Latin subsidere meaning to settle down sub under sidere to sit
Etymology The word subsidy comes from the Late Latin word subsidium meaning support
Etymology The word supersede comes from the Latin supersedere meaning to sit above
Etymology Old French sursoir surseir Latin supersedēre to sit upon stay rest
Etymology Old Irish tánaiste Proto Celtic tanistī Meaning A deputy or sec
Etymology Derived from Greek tetra four hedron base Meaning A three di
Etymology The term Upanishad is derived from two Sanskrit words Up near close t
Etymology The name Israel derives from the Hebrew word Yisrael יִשְׂרָאֵל
Etymology The word device comes from the Old French word deviser meaning to divide
Etymology The word solidarity originates from the Latin word solidus meaning solid
Etymology Origin Old English þancian from Proto Germanic þankōną from Proto In
Etymology The word sandwich is believed to have originated in the late 18th century It
Etymology Late Middle English from Old French prédicament from Late Latin praedicame
Etymology Greek stigma στίγμα Latin stigma Meaning A mark of disgrac
Etymology The word moot derives from the Middle English term mōt which originated f
Etymology The word delirium comes from the Latin word delirare which means to be ou
Etymology Middle English evoluen from Latin evolvere to unroll unfold Latin evolve
