| AEROPHYTES | • aerophytes n. Plural of aerophyte. • AEROPHYTE n. a plant obtaining all its nourishment from the air; an epiphyte. |
| ECTOPHYTES | • ectophytes n. Plural of ectophyte. • ECTOPHYTE n. a vegetable ectoparasite. |
| ENDOPHYTES | • endophytes n. Plural of endophyte. • ENDOPHYTE n. an endoparasitic plant. |
| ENTOPHYTES | • entophytes n. Plural of entophyte. • ENTOPHYTE n. a vegetable parasite subsisting in the interior of the body. |
| HAEMOCYTES | • haemocytes n. Plural of haemocyte. • HAEMOCYTE n. a blood cell, esp. a red cell, also HEMOCYTE. |
| HELIOTYPES | • heliotypes n. Plural of heliotype. • HELIOTYPE n. a picture obtained by the process of heliotypy. |
| HELOPHYTES | • helophytes n. Plural of helophyte. • HELOPHYTE n. any perennial marsh plant that bears its overwintering buds in the mud below the surface. |
| HEMOPTYSES | • hemoptyses n. Plural of hemoptysis. • HEMOPTYSIS n. the expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs. |
| HETEROCYST | • heterocyst n. Alternative form of heterocyte. • HETEROCYST n. a cell larger than the others, and of different appearance, occurring in certain algae related to nostoc. |
| HETERONYMS | • heteronyms n. Plural of heteronym. • HETERONYM n. a word having same spelling but different sound and meaning e.g. lead/lead. |
| HYPOTENUSE | • hypotenuse n. (Geometry) The side of a right triangle opposite the right angle. • HYPOTENUSE n. the longest side of a right-angled triangle, also HYPOTHENUSE. |
| HYPOTHESES | • hypotheses n. Plural of hypothesis. • HYPOTHESIS n. a supposition, an assumption. |
| HYPSOMETER | • hypsometer n. An instrument that measures altitude indirectly by measuring the boiling point of water (which varies… • HYPSOMETER n. an instrument for measuring height of trees through triangulation. |
| MESOPHYTES | • mesophytes n. Plural of mesophyte. • MESOPHYTE n. a land plant growing in an environment with moderate moisture. |
| OSTEOPHYTE | • osteophyte n. A small, abnormal growth of bone (exostosis, bone spur) that forms along joint margins. • OSTEOPHYTE n. an abnormal bony outgrowth. |
| PHENOTYPES | • phenotypes n. Plural of phenotype. • PHENOTYPE v. to categorise by phenotype, also PHAENOTYPE. |
| POLYCHETES | • polychetes n. Plural of polychete. • POLYCHETE n. a type of aquatic worm (including lugworms and ragworms), also POLYCHAETE. |
| POLYTHENES | • polythenes n. Plural of polythene. • POLYTHENE n. a generic name for certain thermoplastics, polymers of ethylene, also POLYETHYLENE. |
| SPHEROCYTE | • spherocyte n. (Cytology) A red blood cell that is spherical rather than biconcave, as occurs in spherocytosis. • SPHEROCYTE n. an abnormal red-blood cell that is spherical rather than disc-shaped. |
| XEROPHYTES | • xerophytes n. Plural of xerophyte. • XEROPHYTE n. a plant thriving in desert conditions. |