allotrope (n.)

"a form in which an element having the property of allotropy may exist," 1847, a back-formation from allotropy "variation of physical properties without change of substance," from Greek allotropos "in another manner;" see allo- "different" + -trope "way, manner." Diamond is an allotrope of carbon. Related: Allotropic.

also from 1847

Entries linking to allotrope

allotropy (n.)

in chemistry, "property of existing in two or more distinct forms, variation of physical properties without change of substance," 1850, from French or German allotropie (1840), from Greek allotropia "variety," from allos "different, other" (from PIE root *al- (1) "beyond") + tropos "manner, way" (from PIE root *trep- "to turn").

allo-

word-forming element meaning "other," from Greek allos "other, different," cognate with Latin alius "other," from PIE root *al- (1) "beyond."

-trope

word-forming element meaning "that which turns," from Greek tropos "a turn, direction, course, way," from PIE root *trep- "to turn."

Trends of allotrope

adapted from books.google.com/ngrams/. Ngrams are probably unreliable.

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element

c. 1300, "earth, air, fire, or water; one of the four things regarded by the ancients as the constituents of all things," from Old French element (10c.), from Latin elementum "rudiment, first principle, matter in its most basic form" (translating Greek stoikheion), origin and ori

calendar

c. 1200, calender, "the year as divided systematically into days and months;" mid-14c. as "table showing divisions of the year;" from Old French calendier "list, register," from Latin calendarium "account book," from calendae/kalendae "the calends" the first day of the Roman mont

stake

"pointed stick or post; stick of wood sharpened at one end for driving into the ground, used as part of a fence, as a boundary-mark, as a post to tether an animal to, or as a support for something (a vine, a tent, etc.)," Old English staca "pin, stake," from Proto-Germanic *stako

text

late 14c., "wording of anything written," from Old French texte, Old North French tixte "text, book; Gospels" (12c.), from Medieval Latin textus "the Scriptures, text, treatise," in Late Latin "written account, content, characters used in a document," from Latin textus "style or

quixotic

of persons, "extravagantly chivalrous, absurdly romantic," abstractly, "striving for an unattainable or impractical ideal," 1791, from Don Quixote, the romantic, impractical hero of Cervantes' satirical novel "Don Quixote de la Mancha" (1605; in English translation by 1620). Don

believe

Middle English bileven, from Old English belyfan "to have faith or confidence" (in a person), earlier geleafa (Mercian), gelefa (Northumbrian), gelyfan (West Saxon), from Proto-Germanic *ga-laubjan "to believe," perhaps literally "hold dear (or valuable, or satisfactory), to love

access

early 14c., "an attack of fever," from Old French acces "onslaught, attack; onset (of an illness)," from Latin accessus "a coming to, an approach; way of approach, entrance," noun use of past participle of accedere "to approach," from assimilated form of ad "to" (see ad-) + ceder

dilemma

1520s in rhetoric (see below), from Late Latin dilemma, from Greek dilemma "double proposition," a technical term in rhetoric, from di- "two" (see di- (1)) + lemma "premise, anything received or taken," from root of lambanein "to take" (see lemma). A form of argument in which it

communism

1843, "social system based on collective ownership," from French communisme (c. 1840), from commun (Old French comun "common, general, free, open, public;" see common (adj.)) + -isme (see -ism). Originally a theory of society. As the name of a political or economic theory w

lord

mid-13c., laverd, loverd, from Old English hlaford "master of a household, ruler, feudal lord, superior; husband," also "God," translating Latin dominus, Greek kyrios in the New Testament, Hebrew yahweh in the Old (though Old English dryhten was more frequent). Old English hlafor

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updated on September 17, 2022

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