| AERONOMER | • aeronomer n. One who studies aeronomy. • AERONOMER n. one who studies the earth's atmosphere, also AERONOMIST. |
| COMONOMER | • comonomer n. (Chemistry) Any of a group of monomers that, when polymerized, form a copolymer. • COMONOMER n. one of the constituents of a copolymer. |
| DOWNCOMER | • downcomer n. A pipe to conduct something downwards. • DOWNCOMER n. a pipe that connects a cistern to a toilet pan. |
| ELASTOMER | • elastomer n. Any polymer having the elastic properties of rubber. • ELASTOMER n. any rubberlike substance. |
| GLADSOMER | • gladsomer adj. Comparative form of gladsome: more gladsome. • GLADSOME adj. feeling pleasure. |
| GREWSOMER | • GREWSOME adj. repugnant, also GRUESOME. |
| GRUESOMER | • gruesomer adj. Comparative form of gruesome: more gruesome. • GRUESOME adj. repugnant, also GREWSOME. |
| HANDSOMER | • handsomer adj. Comparative form of handsome: more handsome. • HANDSOME adj. attractive. |
| HOMECOMER | • homecomer n. One who returns home from another place. • HOMECOMER n. a person coming home. |
| LATECOMER | • latecomer n. One who has arrived comparatively recently. • latecomer n. One who arrived late. • LATECOMER n. one who arrives late. |
| OVERCOMER | • overcomer n. One who overcomes. • OVERCOMER n. one who overcomes. |
| REBLOOMER | • rebloomer n. A flower that blooms more than once in a year. • REBLOOMER n. a flower that blooms again, especially in the same growing season. |
| TAXONOMER | • taxonomer n. One who studies or creates a taxonomy. • TAXONOMER n. a specialist in taxonomy, also TAXONOMIST. |
| UNBOSOMER | • unbosomer n. One who unbosoms, or discloses. • UNBOSOMER n. one who unbosoms, or discloses. |