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variable (n.)"quantity that can vary in value," 1816, from variable (adj.) in mathematical sense of "quantitatively indeterminate" (1710). Related: Variably; variability.
Related entries & more lubricant (n.)"material that can reduce friction in rubbing surfaces," 1828, probably from lubricant (adj.), or else from Latin lubricantem.
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hull (v.)"to remove the husk of," early 15c., from hull (n.1). Related: Hulled, which can mean both "having a particular kind of hull" and "stripped of the hull."
Related entries & more interpretable (adj.)1610s, from Late Latin interpretabilis "that can be explained or translated," from Latin interpretari "explain, expound, understand" (see interpret).
Related entries & more portable (adj.)
Related entries & more "capable of being carried from place to place," early 15c., from French portable "that can be carried," from Late Latin portabilis "that can be carried," from Latin portare "to carry" (from PIE root *per- (2) "to lead, pass over"). An earlier word for "designed to be carried from place to place" was portatif (late 14c.), from Old French. Related: Portability.
fallible (adj.)early 15c., from Medieval Latin fallibilis "liable to err, deceitful," literally "that can be deceived," from Latin fallere "deceive" (see fail (v.)).
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