| CEREBRIFORM | • cerebriform adj. Resembling the outer surface of the brain. • CEREBRIFORM adj. shaped like the brain. |
| FERRIMAGNET | • ferrimagnet n. (Physics) Any ferrimagnetic material. • FERRIMAGNET n. an iron magnet in which the magnetic moments of neighbouring ions are nonparallel. |
| FIREBOMBERS | • firebombers n. Plural of firebomber. • FIREBOMBER n. one who uses FIREBOMBS. |
| FLUORIMETER | • fluorimeter n. Alternative form of fluorometer. • FLUORIMETER n. an instrument for measuring fluorescence, also FLUOROMETER. |
| FREEMARTINS | • freemartins n. Plural of freemartin. • FREEMARTIN n. a sexually deficient female calf born as a bull calf's twin. |
| IMPERFECTER | • IMPERFECT adj. not perfect, also UNPERFECT. |
| IMPERFORATE | • imperforate adj. Not perforated, as… • imperforate n. (Philately) A postage stamp that has not been perforated. • IMPERFORATE adj. not perforated into perforated rows, used of stamps and sheets of stamps, also IMPERFORATED. |
| MISINFERRED | • misinferred v. Simple past tense and past participle of misinfer. • MISINFER v. to infer wrongly. |
| MISREFERRED | • misreferred v. Simple past tense and past participle of misrefer. • MISREFER v. to refer incorrectly. |
| PERFUMERIES | • perfumeries n. Plural of perfumery. • PERFUMERY n. a place where perfumes are made. |
| PREINFORMED | • PREINFORM v. to inform in advance. |
| RECONFIRMED | • reconfirmed v. Simple past tense and past participle of reconfirm. • RECONFIRM v. to confirm anew. |
| REFORMATIVE | • reformative adj. That serves to reform or correct. • REFORMATIVE adj. intended or tending to reform. |
| REFRAINMENT | • refrainment n. The act of refraining. • REFRAINMENT n. the act of refraining. |