different between circumference vs extremity

English

Etymology

From Latin circumferentia, from circum (“around”) + fer? (“I carry”).

Pronunciation

• (UK) enPR: sûrk?m'fr?ns, IPA^(key): /s???k?m.f??ns/
• (US) enPR: sûrk?m'fr?ns, IPA^(key): /s???k?m.f??ns/
• Rhymes: -?ns

Noun

circumference (plural circumferences)

1. (geometry) The line that bounds a circle or other two-dimensional figure
2. (geometry) The length of such a line
3. (obsolete) The surface of a round or spherical object
4. (graph theory) The length of the longest cycle of a graph

Synonyms

• (geometry): perimeter, umstroke
• (distance measured around any object): girth
• (distance measured around a race track): lap

Related terms

• diameter
• radius
• perimeter

Translations

Verb

circumference (third-person singular simple present circumferences, present participle circumferencing, simple past and past participle circumferenced)

1. (obsolete, transitive) To include in a circular space; to bound.

English

Etymology

From Middle English extremite, from Old French extremité, from Latin extr?mit?s (“extremity; border, perimeter; ending”), from extrem?s (“furthest, extreme”) + -it?s (ultimately from Proto-Indo-European *-teh?ts (“suffix forming nouns indicating a state of being”); see extreme. Extrem?s is derived from exter (“external, outward”) (ultimately from Proto-Indo-European *h?e??s (“out”)) + -issimus (“suffix indicating a superlative”) (ultimately from Proto-Indo-European *-is- (“suffix indicating a comparative”) + *-(t)m?mo- (“suffix indicating the absolutive case”)).

Pronunciation

• (Received Pronunciation) enPR: ?kstr?'m?t?, IPA^(key): /?k?st??m?ti/, /?k-/
• (General American) IPA^(key): /?k?st??m?ti/, /-?i/
• Hyphenation: ex?tre?mi?ty

Noun

extremity (countable and uncountable, plural extremities or extremitys) (obsolete)

1. The most extreme or furthest point of something. [from c. 1400]
2. An extreme measure.
3. A hand or foot. [from early 15th c.]
4. A limb (“major appendage of a human or animal such as an arm, leg, or wing”). [from early 15th c.]

Synonyms

• (furthest point): tip
• (major appendage of human or animal): appendage, limb

Derived terms

• extremital

Related terms

• extreme
• extremely
• extremeness
• extremism
• extremist

Translations

Further reading

• extremities on Wikipedia.Wikipedia
• extremity in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• extremity in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.