| slovo | definícia |
Disk engine
(gcide) | Disk \Disk\ (d[i^]sk), n. [L. discus, Gr. di`skos. See Dish.]
[Written also disc.]
1. A discus; a quoit.
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Some whirl the disk, and some the javelin dart.
--Pope.
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2. A flat, circular plate; as, a disk of metal or paper.
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3. (Astron.) The circular figure of a celestial body, as seen
projected of the heavens.
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4. (Biol.) A circular structure either in plants or animals;
as, a blood disk; germinal disk, etc.
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5. (Bot.)
(a) The whole surface of a leaf.
(b) The central part of a radiate compound flower, as in
sunflower.
(c) A part of the receptacle enlarged or expanded under,
or around, or even on top of, the pistil.
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6. (Zool.)
(a) The anterior surface or oral area of c[oe]lenterate
animals, as of sea anemones.
(b) The lower side of the body of some invertebrates,
especially when used for locomotion, when it is often
called a creeping disk.
(c) In owls, the space around the eyes.
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Disk engine, a form of rotary steam engine.
Disk shell (Zool.), any species of Discina.
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