Making direct use of solar energy without first converting it to another form such as electricity.

Making indirect use of solar energy by first converting it to another form (e.g. by using solar panels).

Drawn out from a heated solid bar, as by a process of spiral rolling which first hollows the bar and then expands the cavity by forcing the bar over a pointed mandrel fixed in front of the rolls; said of a weldless tube.

synonym of exclusive right

(astronomy) A body in the Solar System other than a planet, dwarf planet or natural satellite.

Used other than figuratively or idiomatically: see solitary, wasp. / (dated) An informal taxonomic grouping of genera of wasps that included most of those with solitary habits.

(slang) An act of masturbation involving the manual stimulation of one's own genitals.

(simile) Perfectly straight (immobile).

simple past tense and past participle of sell wolf tickets

Alternative form of solemnization