| GROINING | • groining v. Present participle of groin. • GROINING n. a ribbed effect on a vault. |
| IGNITRON | • ignitron n. A form of rectifier having a pool of mercury as cathode. • IGNITRON n. a device for conducting current in which an electrode dips into a pool of mercury and draws up an arc to start ionization. |
| IGNORING | • ignoring v. Present participle of ignore. • ignoring n. The act by which something is ignored. • IGNORE v. to intentionally disregard. |
| INORBING | • inorbing v. Present participle of inorb. • INORB v. to set in an orb, to encircle. |
| INTRONIC | • intronic adj. Of or pertaining to introns. • INTRONIC adj. of or like an intron, an intervening sequence in the genetic code. |
| IRENICON | • irenicon n. A proposition, scheme, or treatise designed to promote peace, especially in the church. • irenicon n. The deacon’s litany or great synapte at the beginning of the liturgy of the Orthodox Church. • IRENICON n. (Greek) a peacemaking message, a proposition for peace, also EIRENICON. |
| IRONINGS | • ironings n. Plural of ironing. • IRONING n. clothes to be pressed. |
| MINORING | • minoring v. Present participle of minor. • MINOR v. to study a subsidiary subject at college. |
| NIGROSIN | • nigrosin n. A mixture of synthetic black dyes made by heating a mixture of nitrobenzene, aniline and aniline hydrochloride… • NIGROSIN n. a blackish coal-tar colour dye, also NIGROSINE. |
| NONRIGID | • nonrigid adj. Not rigid; flexible. • nonrigid adj. (Of an airship) That maintains its shape only by internal gas pressure. • nonrigid n. (Aviation) An airship that maintains its shape only by internal gas pressure. |
| ONIONIER | • onionier adj. Comparative form of oniony: more oniony. • ONIONY adj. like an onion. |
| PROINING | • proining v. Present participle of proin. • PROINE v. (obsolete) to preen, prune, also PROIGN, PROIN, PROYN, PROYNE. |
| ROSINING | • rosining v. Present participle of rosin. • ROSIN v. to treat with a brittle resin, also ROSET. |
| TENORINI | • TENORINO n. a high tenor. |
| UNIRONIC | • unironic adj. Not ironic; free of irony. Sincere or genuine. • UNIRONIC adj. not ironic. |