Thysanura (this-a-nū'-ra). (Gr. = tassel and tail.) An insect order to which belong the scale fishes.
Tibia (tib'-i-a). (L. tibia = a slender pipe, a musical instrument.) A long, slender bone in the leg, below the knee. The fourth segment in an insect's leg, generally long and slender.
Transformation (trans-for-ma'-shon). (L. transformare = to change the shape of.) A change in form or nature.
Transparent (trans-par'-ent). (L. trans-parere = to appear through.) Easily seen through.
Transportation (trans-por-ta'-shon). (L. trans-portare = to carry over.) Carrying from one place to another.
Tremendous (tre-men'-dus). (L. tremendus = fearful, from tremere, to tremble.) Very wonderful, astounding.
Trichoptera (trī-kop'-te-ra). (Gr. = hairy-wing.) An insect order to which belong the caddis flies.
Trochanter (tro-kan'-ter). (Gr. = the ball on which the hip bone turns in its socket.) The second segment of an insect's leg.
Unlock (un-lok'). To unfasten something that has been closed.
Unsubstantial (un-sub-stan'-shal). Not real or solid, without substance.