plural of double steal

plural of double quasar

(astronomy) Two quasars that form a system, such that they gravitationally interact, or are part of the same cluster of galaxies; a binary quasar.

simple past tense and past participle of double up

a planet with a moon large enough to be considered a planet, were the planet not there, having a substantial portion of the system's overall mass.

plural of double kiss

(Australia) A truck and trailer combination consisting of a prime mover coupled to two trailers.

(roofing) Application of asphalt, slate, or wood roofing such that the lapped portion is at least two inches wider than the exposed portion, resulting in two layers of roofing material over the deck.

plural of double-wide

(US) A trailer measuring twenty feet or more in width and ninety feet or less in length, towed as a two separate units before assembly; especially, a mobile home that is twice its standard width.