[kwi-nok-suh-leen, -lin] /kwɪˈnɒk səˌlin, -lɪn/
a colorless, crystalline, water-soluble powder, C 8 H 6 N 2 , used chiefly in organic synthesis.
1. (in prescriptions) five.
[kwing-kwuh-juh-nair-ee-uh n, kwin-] /ˌkwɪŋ kwə dʒəˈnɛər i ən, ˌkwɪn-/ adjective 1. 50 years of age. 2. between the ages of 50 and 60. noun 3. a person who is 50 years old or whose age is between 50 and 60. /ˌkwɪŋkwədʒɪˈnɛərɪən/ noun 1. a person between 50 and 59 years old adjective 2. being between […]
[kwin-kwah-juh-ner-ee, kwing-] /kwɪnˈkwɑ dʒəˌnɛr i, kwɪŋ-/ noun, plural quinquagenaries. 1. a 50th anniversary.
[kwing-kwuh-jes-uh-muh, kwin-] /ˌkwɪŋ kwəˈdʒɛs ə mə, ˌkwɪn-/ noun 1. the Sunday before Lent; Shrove Sunday. /ˌkwɪŋkwəˈdʒɛsɪmə/ noun 1. the Sunday preceding Ash Wednesday, the beginning of Lent Also called Quinquagesima Sunday
1. a combining form meaning “five,” used in the formation of compound words: quinquevalent. combining form 1. five: quinquevalent before vowels quinqu-, word-forming element meaning “five, having five,” from Latin quinque “five,” by assimilation from PIE *penkwe (see five).