| ACTANT | • actant n. (Grammar) Any of the participants, such as the subject or object, in a grammatical clause. • ACTANT n. a noun phrase functioning as the agent of the main verb of a sentence. |
| DUCTAL | • ductal adj. (Anatomy) Of, relating to, or originating in a duct. • DUCTAL adj. made up of ducts. |
| EJECTA | • ejecta n. (Geology) Material which has been ejected, especially from a volcano or an impact crater. • EJECTA n. material ejected esp. from a volcano, also EJECTAMENTA. |
| EXACTA | • exacta n. A bet in which the bettor must correctly pick the two runners who finish first and second, in the correct order. • EXACTA n. (Spanish) a type of horse racing bet. |
| LACTAM | • lactam n. (Organic chemistry) Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed… • LACTAM n. one of a series of anhydrides of an amido type, analogous to the lactones. |
| NECTAR | • nectar n. (Chiefly mythology) The drink of the gods. • nectar n. (By extension) Any delicious drink, now especially a type of sweetened fruit juice. • nectar n. (Botany) The sweet liquid secreted by flowers to attract pollinating insects and birds. |
| OCTADS | • octads n. Plural of octad. • OCTAD n. a group of eight. |
| OCTALS | • octals n. Plural of octal. • OCTAL n. a number system with a base of eight. |
| OCTANE | • octane n. (Organic chemistry) Any of the eighteen isomeric aliphatic hydrocarbons (C8H18) found in petroleum… • octane n. Octane number. • OCTANE n. any of a series of saturated hydrocarbons. |
| OCTANS | • octans n. Plural of octan. • Octans prop.n. (Astronomy) A small circumpolar constellation of the southern sky, said to resemble an octant. It lies… • OCTAN n. a fever recurring every eight day. |
| OCTANT | • octant n. The eighth part of a circle; an arc of 45 degrees. • octant n. (Astrology) The aspect of two planets that are 45°, or one-eighth of a circle, apart. • octant n. (Geometry) The eighth part of a disc; a sector of 45 degrees; half a quadrant. |
| OCTAVE | • octave n. (Music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a… • octave n. (Music) The pitch an octave higher than a given pitch. • octave n. (Music) A coupler on an organ which allows the organist to sound the note an octave above the note of… |
| OCTAVO | • octavo n. (Paper, printing) A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11… • octavo n. (Printing) A book of octavo pages. • OCTAVO n. (Latin) a page size, also EIGHTVO. |
| PUNCTA | • puncta n. Plural of punctum. • PUNCTUM n. (Latin) a point or dot; a minute aperture. |
| RECTAL | • rectal adj. Of, via or related to the rectum. • rectal n. (Informal) Ellipsis of rectal examination.. • RECTAL adj. pertaining to the rectum. |
| RICTAL | • rictal adj. Possessing the qualities of a rictus. • RICTAL adj. relating to the rictus, the expanse or gape of the mouth, or of the beak or jaws of a bird, fish, etc. |
| SANCTA | • sancta n. Plural of sanctum. • SANCTUM n. (Latin) a sacred place. |
| TECTAL | • tectal adj. Of or pertaining to the tectum. • tectal n. (Phonetics) A consonant articulated in the roof of the mouth. • TECTAL adj. relating to a tectum, a rooflike body structure. |
| TICTAC | • tic-tac n. (Britain) a system of sign language used by bookmakers at racecourses to communicate odds and bets;… • tic␣tac adj. (Colloquial) fussy, petty. • TICTAC v. to use arm signals for bookmaker information, also TICKTACK, TICTOC, TICKTOCK. |