air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
any measurable property of a device measured under closely specified conditions
the integer part (positive or negative) of the representation of a logarithm; in the expression log 643 = 2.808 the characteristic is 2
typical or distinctive; "heard my friend's characteristic laugh"; "red and gold are the characteristic colors of autumn"; "stripes characteristic of the zebra"
far more than usual or expected; "an extraordinary desire for approval"; "it was an over-the-top experience"
beyond what is ordinary or usual; highly unusual or exceptional or remarkable; "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordinary session of the legislature"
(used informally especially for emphasis); "a real honest-to-god live cowboy"; "had us a high old time"; "went upriver to look at a sure-enough fish wheel"
happening or arising or located within some limits or especially surface; "internal organs"; "internal mechanism of a toy"; "internal party maneuvering"
occurring within an institution or community; "intragroup squabbling within the corporation"
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system; "he studied law at Yale"
a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society
a generalization that describes recurring facts or events in nature; "the laws of thermodynamics"
legal document setting forth rules governing a particular kind of activity; "there is a law against kidnapping"
the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
singled out for notice or especially for a dire fate; "a marked man"
strongly marked; easily noticeable; "walked with a marked limp"; "a pronounced flavor of cinnamon"
having or as if having an identifying mark or a mark as specified; often used in combination; "played with marked cards"; "a scar-marked face"; "well-marked roads"