| EXTENSIONALLY | • extensionally adv. In terms or by means of extension. • EXTENSIONAL adv. of, relating to, or marked by extension. |
| INFLEXIONLESS | • inflexionless adj. Without inflexion. • INFLEXIONLESS adj. without inflexion, also INFLECTIONLESS. |
| ISOALLOXAZINE | • isoalloxazine n. (Organic chemistry) The tricyclic heterocycle that is the basis of the flavins; any derivative of this compound. • ISOALLOXAZINE n. a yellow solid that is the precursor of various flavins, such as riboflavin. |
| LEXICOLOGISTS | • lexicologists n. Plural of lexicologist. • LEXICOLOGIST n. a practitioner of lexicology. |
| LITHOLAPAXIES | • litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out. |
| POLYSILOXANES | • polysiloxanes n. Plural of polysiloxane. • POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry. |
| REFLEXOLOGIES | • reflexologies n. Plural of reflexology. • REFLEXOLOGY n. a form of therapy for treating particular bodily ailments and general stress. |
| REFLEXOLOGIST | • reflexologist n. A practitioner of reflexology. • REFLEXOLOGIST n. a specialist in reflexology. |
| SEXDECILLIONS | • sexdecillions n. Plural of sexdecillion. • SEXDECILLION n. ten to the power of 51. |
| SEXTILLIONTHS | • sextillionths n. Plural of sextillionth. • SEXTILLIONTH n. the ordinal of a sextillion, a thousand raised to the seventh power. |
| VEXILLOLOGIES | • VEXILLOLOGY n. the study of flags. |
| VEXILLOLOGIST | • vexillologist n. One who studies flags. • VEXILLOLOGIST n. one who studies flags. |
| XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. |
| XYLOBALSAMUMS | • XYLOBALSAMUM n. the dried twigs, or the wood, of the balm of Gilead tree. |