| tineoid | (noun) small dull-colored moth with chewing mouthparts | Synonyms: tineoid moth |
|---|
| toroid | (noun) a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle | Synonyms: torus |
|---|
| (noun) the doughnut-shaped object enclosed by a torus | - |
| tortricid | (noun) any of numerous small moths having lightly fringed wings; larvae are leaf rollers or live in fruits and galls | Synonyms: tortricid moth |
|---|
| toxoid | (noun) a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin | Synonyms: anatoxin |
|---|
| tracheid | (noun) long tubular cell peculiar to xylem | - |
|---|
| trapezoid | (noun) the wrist bone between the trapezium and the capitate bones | Synonyms: os trapezoideum, trapezoid bone |
|---|
| (noun) a quadrilateral with two parallel sides | - |
| trombiculid | (noun) mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebrates | - |
|---|
| trombidiid | (noun) mite that in all stages feeds on other arthropods | - |
|---|
| typhoid | (noun) serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water | Synonyms: enteric fever, typhoid fever |
|---|
| tyrannid | (noun) a passerine bird of the suborder Tyranni | - |
|---|
| vespertilionid | (noun) a variety of carnivorous bat | Synonyms: vespertilian bat |
|---|
| vespid | (noun) mostly social nest-building wasps | Synonyms: vespid wasp |
|---|
| viroid | (noun) the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat | Synonyms: virusoid |
|---|
| virusoid | (noun) the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat | Synonyms: viroid |
|---|
| void | (noun) an empty area or space | Synonyms: emptiness, vacancy, vacuum |
|---|
| (noun) the state of nonexistence | Synonyms: nihility, nothingness, nullity |
| yid | (noun) (ethnic slur) offensive term for a Jew | Synonyms: hymie, kike, sheeny |
|---|
| zooid | (noun) one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan | - |
|---|