1. test tube glass tube closed at one end
  2. Testudines tortoises and turtles
  3. destitute poor enough to need help from others
  4. the States North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
  5. test-tube baby a baby conceived by fertilization that occurs outside the mother's body; the woman's ova are removed and mixed with sperm in a culture medium - if fertilization occurs the blastocyte is implanted in the woman's uterus
  6. testate having made a legally valid will before death
  7. test bed a place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions
  8. testatrix a female testator
  9. Thucydides ancient Greek historian remembered for his history of the Peloponnesian War (460-395 BC)
  10. past times the time that has elapsed
  11. testator a person who makes a will
  12. testaceous relating to or possessing a testa or hard shell
  13. tidy tips California annual having flower heads with yellow rays tipped with white
  14. testcross a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
  15. test-cross a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
  16. destitution a state without money or prospects
  17. testiness feeling easily irritated
  18. test paper a written examination
  19. test case a representative legal action whose outcome is likely to become a precedent
  20. tidytips California annual having flower heads with yellow rays tipped with white