| MINUS | • minus prep. (Mathematics) Made less or reduced by (followed by an expression of number or quantity). • minus prep. (Informal) Without; deprived of.
 • minus n. (Mathematics) The minus sign (−).
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| SINUS | • sinus n. (Anatomy, zootomy) A pouch or cavity in a bone or other tissue, especially one in the bones of the face… • sinus n. (Anatomy) An irregular venous or lymphatic cavity, reservoir, or dilated vessel.
 • sinus n. (Pathology) An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and…
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| ACINUS | • acinus n. (Botany) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc. • acinus n. (Botany) A grape-stone.
 • acinus n. (Anatomy) One of the granular masses which constitute a racemose or compound gland, as the pancreas;…
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| ERINUS | • ERINUS n. any rock plant of the genus Erinus. | 
| ECHINUS | • echinus n. A sea urchin. • echinus n. (Architecture) The rounded moulding forming the bell of the capital of the Grecian Doric style, which…
 • echinus n. (Architecture) The quarter-round moulding (ovolo) of the Roman Doric style.
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| RICINUS | • ricinus n. Any member of the genus Ricinus. • Ricinus prop.n. A taxonomic genus within the family Euphorbiaceae – the castor plant.
 • Ricinus prop.n. A taxonomic genus within the family Ricinidae – several bird lice.
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| UNCINUS | • uncinus n. (Meteorology) A cloud species which consists of fine hair-like strands, with hooked terminations. Associated… • uncinus n. (Paleontology) The curved tip of the hooks associated with belemnite tentacles.
 • UNCINUS n. (Latin) a hooklet, a marginal tooth of a mollusc's radula.
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| PULVINUS | • pulvinus n. (Botany) A joint on a plant leaf or petiole that may swell and cause movement of the leaf or leaflet. • PULVINUS n. (Latin) a swelling at the base of a stalk or leaf.
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| TAUHINUS | • TAUHINU n. (Maori) a poplar tree. | 
| TERMINUS | • terminus n. The end or final point of something. • terminus n. The end point of a transportation system, or the town or city in which it is located.
 • terminus n. A boundary or border, or a post or stone marking such a boundary.
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| BOTULINUS | • botulinus n. Alternative form of botulinum. • BOTULINUS n. a powerful bacterial toxin, also BOTULIN, BOTULINUM.
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| TRACHINUS | • Trachinus prop.n. A taxonomic genus within the family Trachinidae – typical weevers. • TRACHINUS n. any member of the weever genus of fish.
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| TRIGEMINUS | • trigeminus n. (Neuroanatomy) Alternative form of trigeminal nerve. • TRIGEMINUS n. the trigeminal nerve.
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| LAURUSTINUS | • laurustinus n. Alternative form of laurestine. • LAURUSTINUS n. a winter-flowering shrub, also LAURUSTINE.
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