| EXHAUSTLESSLY | • exhaustlessly adv. Without running out or coming to an end. • EXHAUSTLESS adv. inexhaustible. |
| HETEROFLEXIBLES | • heteroflexibles n. Plural of heteroflexible. • HETEROFLEXIBLE n. one of flexible sexual orientation. |
| HETEROSEXUALLY | • heterosexually adj. In a heterosexual way. • HETEROSEXUAL adv. attracted to the opposite sex. |
| HEXACTINELLIDS | • hexactinellids n. Plural of hexactinellid. • HEXACTINELLID n. a kind of six-rayed sponge. |
| LITHOLAPAXIES | • litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out. |
| PHYLLOTAXES | • phyllotaxes n. Plural of phyllotaxis. • PHYLLOTAXIS n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXY. |
| PHYLLOTAXIES | • phyllotaxies n. Plural of phyllotaxy. • PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS. |
| PHYLLOTAXIS | • phyllotaxis n. (Botany) The arrangement of leaves on a stem, or the mathematical principles governing such arrangement. • PHYLLOTAXIS n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXY. |
| 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. |
| SEXTILLIONTHS | • sextillionths n. Plural of sextillionth. • SEXTILLIONTH n. the ordinal of a sextillion, a thousand raised to the seventh power. |
| TROPHALLAXES | • trophallaxes n. Plural of trophallaxis. • TROPHALLAXIS n. mutual exchange of nutriment in symbiosis. |
| TROPHALLAXIS | • trophallaxis n. (Biology) The mutual exchange of (fluid) food between individuals, especially in social insects. • TROPHALLAXIS n. mutual exchange of nutriment in symbiosis. |
| XANTHOPHYLLOUS | • xanthophyllous adj. Of or relating to xanthophyll. • XANTHOPHYLLOUS adj. like a xanthophyll, a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks. |
| XANTHOPHYLLS | • xanthophylls n. Plural of xanthophyll. • XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL. |
| XIPHIPLASTRAL | • xiphiplastral adj. Relating to a xiphiplastron. • XIPHIPLASTRAL n. a type of chelonian. |
| XIPHIPLASTRALS | • XIPHIPLASTRAL n. a type of chelonian. |