| CHILLAXES | • chillaxes v. Third-person singular simple present indicative form of chillax. • CHILLAX v. to relax completely. |
| HETEROFLEXIBLES | • heteroflexibles n. Plural of heteroflexible. • HETEROFLEXIBLE n. one of flexible sexual orientation. |
| HEXACTINELLIDS | • hexactinellids n. Plural of hexactinellid. • HEXACTINELLID n. a kind of six-rayed sponge. |
| HEXYLRESORCINOL | • hexylresorcinol n. (Organic chemistry) A hexyl derivative of resorcinol that has anaesthetic, antiseptic and antihelmintic properties. • HEXYLRESORCINOL n. a crystalline phenol used as an antiseptic and anthelmintic. |
| LITHOLAPAXIES | • litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out. |
| MORPHALLAXIS | • morphallaxis n. (Biology) The regeneration of specific tissue due to loss or death of the existing tissue. • MORPHALLAXIS n. regeneration in a changed form. |
| 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. |
| TROPHALLAXIS | • trophallaxis n. (Biology) The mutual exchange of (fluid) food between individuals, especially in social insects. • TROPHALLAXIS n. mutual exchange of nutriment in symbiosis. |
| XIPHIPLASTRAL | • xiphiplastral adj. Relating to a xiphiplastron. • XIPHIPLASTRAL n. a type of chelonian. |
| XIPHIPLASTRALS | • XIPHIPLASTRAL n. a type of chelonian. |
| XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. |
| XYLOPHILOUS | • xylophilous adj. Living on or in wood, as some fungi and beetles do. • XYLOPHILOUS adj. fond of wood; living in or on wood. |