PARAFFIN; PARAFFINE n.
oal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh…
PARALLEL n.
titude (Astron.), one of the small circles of the sphere, parallel to the horizon; an almucantar. -- Parallel of declination (Astron.), one of the small circles of the sphere, parallel to the equator. -- Parallel of latitude. (a) (Geog.) See def. 6. above. (b) (Astron.) One of the small circles of the sphere, paralle…