| diopter |
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noun
- A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.
- (obsolete) Any lens system, such as a telescope
- (obsolete) A theodolite or similar surveyor's angle measuring device
- (obsolete) An alhidade
- (obsolete) A surgical speculum
- (obsolete) An instrument for drawing the skull by projections.
| | | diptych |
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noun
- A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within.
- A picture or series of pictures painted on two tablets, usually connected by hinges.
- A double catalogue, containing in one part the names of living, and in the other of deceased, ecclesiastics and benefactors of the church.
- A catalogue of saints.
- Artistically-wrought tablets distributed by consul, consuls, etc. of the later Roman Empire to commemorate their tenure of office; hence transferred to a list of magistrates
- a. a literary work consisting of two contrasting parts (as a narrative telling the same story from two opposing points of view) "a diptych, a pastoral in which the author narrates the birth of Christ ... first as it has impressed the rich countryman Asveer, then as it has been seen by the skeptic Nicodemus" -- Franí§ois Closset b. any work made up of two matching parts treating complementary or contrasting pictorial phases of one general topic "the first volume of a diptych Vegetation and Flora of the Sonoran Desert" -- F.E. Egler
| | dromos |
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noun (pl. dromoi)
- avenue or entrance-way to a building
- passage to a tomb
- ancient Greek race course.
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