| AIRGRAPH | • airgraph n. (UK, historical) A form of airmail used to send messages to servicemen during the Second World War. • AIRGRAPH n. a letter photographically reduced for sending by air. |
| APOGRAPH | • apograph n. (Textual criticism) A copy or transcript of a manuscript (called the antigraph). • APOGRAPH n. an exact copy. |
| BIOGRAPH | • biograph n. (Rare) A biographical essay. • biograph n. An early device to show moving pictures on a screen. • biograph v. (Rare, transitive) To write a biography of. |
| DIAGRAPH | • diagraph n. (Dated) A drawing instrument that combines a protractor and scale. • DIAGRAPH n. an instrument for copying. |
| EPIGRAPH | • epigraph n. An inscription, especially on a building. • epigraph n. A literary quotation placed at the beginning of a book or other text. • epigraph n. (Mathematics, of a function) The set of all points lying on or above the function’s graph. |
| ISOGRAPH | • isograph n. (Sociolinguistics) A line indicating the geographical boundaries within which a particular feature of… • ISOGRAPH n. a map line indicating similar linguistical areas. |
| MYOGRAPH | • myograph n. (Physiology) An instrument for determining and recording the intensity, velocity, etc., of a muscular contraction. • MYOGRAPH n. an instrument for recording muscular contractions. |
| ODOGRAPH | • odograph n. Odometer. • ODOGRAPH n. a device for measuring distance travelled, also ODOMETER. |
| SUBGRAPH | • subgraph n. (Graph theory) A graph or network that makes up part of a larger graph or network. • SUBGRAPH n. a graph contained within a larger graph. |
| SYNGRAPH | • syngraph n. (Law) A document signed by both or all of the parties to a contract or bond. • SYNGRAPH n. a contract signed all or both parties. |
| TRIGRAPH | • trigraph n. (Linguistics) A specific sequence of three letters, especially one used collectively to represent a single phoneme. • trigraph n. (Computing) A three-character sequence used to enter a single conceptual character. • TRIGRAPH n. a combination of three letters for one sound. |