| HELIOTAXIS | • heliotaxis n. (Biology) Phototaxis related to the sun. • HELIOTAXIS n. the response of an organism to the sun's rays. |
| PHILOXENIAS | • PHILOXENIA n. hospitality. |
| TOXOPHILIES | • TOXOPHILY n. the sport of archery. |
| XEROPHILIES | • XEROPHILY n. adaptation to very dry conditions. |
| HEXAPLOIDIES | • HEXAPLOIDY n. the state of having six times the normal number of chromosomes. |
| SEXTILLIONTH | • sextillionth adj. The ordinal form of the number one sextillion. • sextillionth n. The person or thing in the sextillionth position. • sextillionth n. One of a sextillion equal parts of a whole. |
| TOXOPHILITES | • toxophilites n. Plural of toxophilite. • TOXOPHILITE n. one fond of or expert at archery. |
| EXHILARATIONS | • exhilarations n. Plural of exhilaration. • EXHILARATION n. the action of exhilarating. |
| LITHOLAPAXIES | • litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out. |
| SEXTILLIONTHS | • sextillionths n. Plural of sextillionth. • SEXTILLIONTH n. the ordinal of a sextillion, a thousand raised to the seventh power. |
| XIPHIPLASTRON | • xiphiplastron n. The posterior, or fourth lateral plate in the plastron of a turtle. • XIPHIPLASTRON n. in chelonians, one of the plates forming the plastron, lying posterior to the hypoplastron. |
| CHLORHEXIDINES | • CHLORHEXIDINE n. an antiseptic compound used in skin cleansers, mouthwashes, etc. |
| CYCLOHEXIMIDES | • cycloheximides n. Plural of cycloheximide. • CYCLOHEXIMIDE n. an agricultural fungicide that inhibits protein synthesis and is obtained from a soil bacterium, Streptomyces griseus. |
| LEXICOGRAPHIES | • lexicographies n. Plural of lexicography. • LEXICOGRAPHY n. the editing or making of a dictionary. |
| LEXICOGRAPHIST | • lexicographist n. (Chiefly archaic) A student specialising in the discipline of lexicography; lexicographer. • LEXICOGRAPHIST n. one who makes dictionaries. |
| HOMOSEXUALITIES | • homosexualities n. Plural of homosexuality. • HOMOSEXUALITY n. the state of being homosexual. |
| LEXICOGRAPHISTS | • lexicographists n. Plural of lexicographist. • LEXICOGRAPHIST n. one who makes dictionaries. |