| APSIDIOLES | • apsidioles n. Plural of apsidiole. • APSIDIOLE n. a subsidiary apse, a rounded extension at the end of a building, esp. at the east end of a church. |
| EPIDIORITE | • epidiorite n. A greenish metamorphic rock composed of plagioclase and hornblende. • EPIDIORITE n. a dioritic or gabbroitic rock more or less metamorphosed. |
| FASTIDIOUS | • fastidious adj. Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness. • fastidious adj. Overly concerned about tidiness and cleanliness. • fastidious adj. Difficult to please; quick to find fault. |
| IDIOBLASTS | • idioblasts n. Plural of idioblast. • IDIOBLAST n. a plant cell that differs from neighbouring cells in the same tissue. |
| IDIOGRAPHS | • idiographs n. Plural of idiograph. • IDIOGRAPH n. a private mark, a trademark. |
| IDIOLECTAL | • idiolectal adj. Of or relating to an idiolect. • IDIOLECTAL adj. of or like an idiolect, a distinctive individual form of speech, also IDIOLECTIC. |
| IDIOLECTIC | • idiolectic adj. Pertaining to an idiolect. • IDIOLECTIC adj. of or like an idiolect, a distinctive individual form of speech, also IDIOLECTAL. |
| IDIOPATHIC | • idiopathic adj. (Pathology) Of, relating to, or designating a disease or condition having no known cause. • IDIOPATHIC adj. of a disease, etc. arising spontaneously from some unknown cause, primary. |
| IDIOPHONES | • idiophones n. Plural of idiophone. • IDIOPHONE n. a percussion instrument made of naturally resonant material. |
| IDIOPHONIC | • idiophonic adj. Of, pertaining to, or produced by an idiophone. • IDIOPHONIC adj. relating to an idiophone. |
| IDIOPLASMS | • idioplasms n. Plural of idioplasm. • IDIOPLASM n. the part of the protoplasm bearing hereditary characteristics. |
| IDIOTICONS | • idioticons n. Plural of idioticon. • IDIOTICON n. a dialect dictionary. |
| IDIOTPROOF | • idiotproof adj. Alternative form of idiot-proof. • idiotproof v. Alternative form of idiot-proof. • idiot-proof adj. (Informal, humorous) Incapable of being misused even by the most stupid or careless of users. |
| MERIDIONAL | • meridional adj. Located in the south, southern; later especially, often pertaining to the southern parts of Europe. • meridional adj. (Astronomy, geography, meteorology) along a north-south direction, or relative to a meridian; or relating… • meridional adj. Of or characteristic of southern areas or people, especially those in the southern parts of Europe. |
| OBSIDIONAL | • obsidional adj. Pertaining to a siege. • OBSIDIONAL adj. of or relating to a siege, also OBSIDIONARY. |
| PERFIDIOUS | • perfidious adj. Of, pertaining to, or representing perfidy; disloyal to what should command one’s fidelity or allegiance. • PERFIDIOUS adj. characterized by faithlessness or disloyalty. |
| PYRAMIDION | • pyramidion n. The small pyramid which crowns or completes an obelisk or pyramid. • PYRAMIDION n. the small pyramidal apex of an obelisk. |
| RHIPIDIONS | • rhipidions n. Plural of rhipidion. • RHIPIDION n. (Greek) in the Greek Orthodox church, the eucharistical fan or flabellum. |
| STASIDIONS | • STASIDION n. (Modern Greek) a stall in a Greek church. |