| EXPECTORATIONS | • expectorations n. Plural of expectoration. • EXPECTORATION n. the act of expectorating. |
| EXPECTORATIVES | • expectoratives n. Plural of expectorative. • EXPECTORATIVE n. an expectorant medicine. |
| EXPERIMENTISTS | • experimentists n. Plural of experimentist. • EXPERIMENTIST n. a person who carries out experiments. |
| EXPLORATIONIST | • explorationist n. A person employed to locate new sources of petroleum or other naturally-occurring resource. • EXPLORATIONIST n. a scientist engaged in mineral exploration. |
| EXTEMPORANEITY | • extemporaneity n. The degree or property of being extemporaneous. • EXTEMPORANEITY n. the state of being extemporaneous. |
| EXTRAPOLATIONS | • extrapolations n. Plural of extrapolation. • EXTRAPOLATION n. the act of extrapolating. |
| EXTRAPOSITIONS | • extrapositions n. Plural of extraposition. • EXTRAPOSITION n. the act of extraposing. |
| HYDROXYAPATITE | • hydroxyapatite n. A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone. |
| NEPHROTOXICITY | • nephrotoxicity n. The state or condition of being nephrotoxic; toxicity that damages kidneys. • NEPHROTOXICITY n. the state of being nephrotoxic. |
| REEXPORTATIONS | • reexportations n. Plural of reexportation. • REEXPORTATION n. the act of reexporting. |
| XANTHOPTERINES | • XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN. |
| XENOTRANSPLANT | • xenotransplant n. An instance of xenotransplantation. • xenotransplant n. The graft (tissue or organ) transplanted in such an instance: Synonym of xenograft. • xenotransplant v. To carry out xenotransplantation. |