| ALTISSIMOS | • altissimos n. Plural of altissimo. • ALTISSIMO n. the octave commencing an octave above the treble clef.
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| ATELEIOSIS | • ateleiosis n. Alternative form of ateliosis. • ATELEIOSIS n. dwarfism with disproportion.
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| DIABOLISTS | • diabolists n. Plural of diabolist. • DIABOLIST n. one who practises diabolism.
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| DIALOGISTS | • dialogists n. Plural of dialogist. • DIALOGIST n. a speaker in a dialogue.
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| IDIOBLASTS | • idioblasts n. Plural of idioblast. • IDIOBLAST n. a plant cell that differs from neighbouring cells in the same tissue.
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| ISOLATIONS | • isolations n. Plural of isolation. • ISOLATION n. the state of being apart, isolated.
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| LANOSITIES | • LANOSITY n. woolliness. | 
| LEONTIASIS | • leontiasis n. A rare medical condition characterized by an overgrowth of the facial and cranial bones, leading to… • LEONTIASIS n. a kind of leprosy giving a leonine appearance to face.
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| PIANOLISTS | • pianolists n. Plural of pianolist. • PIANOLIST n. one who plays the Pianola.
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| SIALOLITHS | • sialoliths n. Plural of sialolith. • SIALOLITH n. a calculus in a salivary gland.
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| SIBILATORS | • sibilators n. Plural of sibilator. • SIBILATOR n. one who sibilates, hisses.
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| SILTATIONS | • siltations n. Plural of siltation. • SILTATION n. the process of silting.
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| SOCIALISTS | • socialists n. Plural of socialist. • Socialists n. Plural of Socialist.
 • SOCIALIST n. an adherent of socialism.
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| SOCIALITES | • socialites n. Plural of socialite. • SOCIALITE n. a person having a place in fashionable society.
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| SODALITIES | • sodalities n. Plural of sodality. • SODALITY n. an organized group, a fellowship.
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| SOLIDARIST | • solidarist adj. Exhibiting, or pertaining to, solidarism. • solidarist n. A proponent of solidarism.
 • SOLIDARIST n. one who practises solidarity.
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| SOLITAIRES | • solitaires n. Plural of solitaire. • SOLITAIRE n. a game played by one person with a board and balls, pegs, etc.
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| SOLITARIES | • solitaries n. Plural of solitary. • SOLITARY n. one who lives alone.
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| SOLSTITIAL | • solstitial adj. Pertaining to a solstice. • solstitial adj. Occurring on a solstice.
 • SOLSTITIAL adj. of or pertaining to a solstice.
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