| ASTRACHANS | • astrachans n. Plural of astrachan. • ASTRACHAN n. a closely-curled black or grey fur from the fleece of karakul lambs, also ASTRAKHAN. |
| BATRACHIAN | • batrachian n. (Rare) A frog or toad. • batrachian adj. Pertaining to or resembling a frog or toad. • BATRACHIAN adj. pertaining to frogs or toads. |
| TETRACHORD | • tetrachord n. (Music) Any set of four different pitch classes. • tetrachord n. (Music) A series of four sounds, forming a scale of two-and-a-half tones. • TETRACHORD n. a series of four sounds, forming a scale of two tones and a half. |
| TRACHEATED | • tracheated adj. (Zoology) Having tracheae. • TRACHEATED adj. having a trachea. |
| TRACHEATES | • tracheates n. Plural of tracheate. • TRACHEATE n. an animal that breathes by means of tracheae. |
| TRACHEIDAL | • TRACHEIDAL adj. of or like a tracheid, a long tubelike but closed cell in xylem. |
| TRACHEIDES | • tracheides n. Plural of tracheide. • TRACHEIDE n. a long tubelike but closed cell in xylem, also TRACHEID. |
| TRACHEITIS | • tracheitis n. Inflammation of the trachea. • TRACHEITIS n. inflammation of the trachea, or windpipe, also TRACHITIS. |
| TRACHELATE | • TRACHELATE adj. having a neck. |
| TRACHEOLAR | • tracheolar adj. Relating to the tracheole. • TRACHEOLAR adj. of or like a tracheole, one of the minute delicate endings of a branched trachea of an insect. |
| TRACHEOLES | • tracheoles n. Plural of tracheole. • TRACHEOLE n. one of the minute delicate endings of a branched trachea of an insect. |
| TRACHYTOID | • trachytoid adj. (Mineralogy) Resembling trachyte. • TRACHYTOID adj. resembling trachyte. |
| ULTRACHEAP | • ultracheap adj. Extremely cheap. |