airtight, air-tight, gas-tight
(adjective) not allowing air or gas to pass in or out
airtight, air-tight
(adjective) having no weak points; “an airtight defense”; “an airtight argument”
Source: WordNet® 3.1
airtight (comparative more airtight, superlative most airtight)
Impermeable to air or other gases.
(figuratively) Having no weak points or flaws.
(figuratively, of a person) Highly reserved in some matter, particularly tight-lipped or tight-fisted.
• (impermeable to air): hermetic
• breathable
• transpirable
Source: Wiktionary
Air"-tight`, a.
Definition: So tight as to be impermeable to air; as, an air-tight cylinder.
Air"-tight`, n.
Definition: A stove the draft of which can be almost entirely shut off. [Colloq. U. S.]
Source: Webster’s Unabridged Dictionary 1913 Edition
17 April 2025
(noun) a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.
