(permanently)
31for keeps — Permanently …
32permafrost — Permanently frozen subsoil …
33holoepipelagic — permanently inhabiting the epipelagic zone …
34permanent — permanently, adv. permanentness, n. /perr meuh neuhnt/, adj. 1. existing perpetually; everlasting, esp. without significant change. 2. intended to exist or function for a long, indefinite period without regard to unforeseeable conditions: a… …
35subaqueous landscapes — Permanently submerged areas that are fundamentally the same as subaerial (terrestrial) systems in that they have a discernable topography composed of mappable, subaqueous landforms. SSS …
36subtidal wetlands — Permanently inundated areas within estuaries dominated by subaqueous soils and submerged aquatic vegetation. SSS …
37break with — permanently separate from, cease to be friends with …
38fixed aerial — permanently attached antenna …
39has tenure — permanently employed (in a public institution) …
40fixed slots — Permanently open slots. While they permit the aircraft to fly at higher angles of attack, they cause extra drag at high speeds and, hence normally, are not used these days. See slots …