| quincunx |
an arrangement of five objects in a square with one in the center and one at each corner. [2 definitions] |
| quinic acid |
a colorless crystalline acid obtained from coffee beans, the bark of the cinchona tree, and the like. |
| quinidine |
a colorless crystalline alkaloid that resembles quinine, obtained from cinchona bark. |
| quinine |
a bitter organic derivative of the bark of a South American and Asian tree that is effective in treating malaria. |
| quinine water |
carbonated water flavored with quinine; tonic. |
| quinoa |
a plant native to the Andes mountains and grown for its edible seeds. [2 definitions] |
| quinoline |
a colorless liquid compound obtained from bones, coal tar, or alkaloids, or by synthesis, that is used as a solvent and in the making of dyes, antiseptics, and the like. [2 definitions] |
| quinquagenarian |
fifty years old or between the ages of fifty and sixty. [2 definitions] |
| Quinquagesima |
the fiftieth day before Easter; Sunday before Lent. |
| quinque- |
five. |
| quinquefoliolate |
having five leaflets, as a compound leaf. |
| quinquennial |
happening every five years. [5 definitions] |
| quinquevalent |
in chemistry, pentavalent. [2 definitions] |
| quinsy |
a swelling and reddening of the tonsils that produces pus and often an abscess. |
| quint |
(informal) one of five children born to a mother from a single pregnancy; quintuplet. |
| quintal |
a unit of weight equal to one hundred kilograms or 220.462 pounds. [2 definitions] |
| quintar |
variant of qintar. |
| quintessence |
that which most perfectly describes or typifies something; essence. [3 definitions] |
| quintet |
five musicians or singers who perform together as a group. [3 definitions] |
| quintillion |
the number represented by the Arabic numeral 1018. [2 definitions] |
| quintuple |
consisting of or divided into five parts. [4 definitions] |