| ACROSOMES | • acrosomes n. Plural of acrosome. • ACROSOME n. a thin sac at the head of the sperm. |
| AUTOSOMES | • autosomes n. Plural of autosome. • AUTOSOME n. a chromosome other than a sex chromosome. |
| CYTOSOMES | • cytosomes n. Plural of cytosome. • CYTOSOME n. the part of a cell outside the nucleus. |
| ENDOSOMES | • endosomes n. Plural of endosome. • ENDOSOME n. a cellular particle. |
| EXPOSOMES | • exposomes n. Plural of exposome. • EXPOSOME n. a collection of environmental factors, such as stress and diet, to which an individual is exposed and which can have an effect on health. |
| FOURSOMES | • foursomes n. Plural of foursome. • FOURSOME n. a group of four. |
| FULSOMEST | • fulsomest adj. Superlative form of fulsome: most fulsome. • FULSOME adj. cloying. |
| GONOSOMES | • gonosomes n. Plural of gonosome. • GONOSOME n. the group of individuals in a colony who reproduce. |
| HANDSOMES | • handsomes v. Third-person singular simple present indicative form of handsome. • HANDSOME n. a handsome person. |
| LIPOSOMES | • liposomes n. Plural of liposome. • LIPOSOME n. a microscopic globule composed of lipids. |
| LONESOMES | • lonesomes n. Plural of lonesome. • LONESOME n. on one's own. |
| LYSOSOMES | • lysosomes n. Plural of lysosome. • LYSOSOME n. a saclike part of a cell. |
| MEROSOMES | • merosomes n. Plural of merosome. • MEROSOME n. one of the serial segments of which a body is composed, also MEROME. |
| MESOSOMES | • mesosomes n. Plural of mesosome. • MESOSOME n. a convoluted invagination of the cell wall in some bacteria. |
| MONOSOMES | • monosomes n. Plural of monosome. • MONOSOME n. an unpaired chromosome. |
| POLYSOMES | • polysomes n. Plural of polysome. • POLYSOME n. a cluster of protein particles. |
| PYROSOMES | • pyrosomes n. Plural of pyrosome. • PYROSOME n. a type of thermostat. |
| RIBOSOMES | • ribosomes n. Plural of ribosome. • RIBOSOME n. a particle composed of protein and RNA. |
| WINSOMEST | • winsomest adj. Superlative form of winsome: most winsome. • WINSOME adj. charming, captivating. |