direct(redirected from direct immunofluorescence testing)
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1. (of government, decisions, etc.) by or from the electorate rather than through representatives
2. Logic Maths (of a proof) progressing from the premises to the conclusion, rather than eliminating the possibility of the falsehood of the conclusion
3. Astronomy moving from west to east on the celestial sphere
a. of or relating to direct current
b. (of a secondary induced current) having the same direction as the primary current
a. (of motion) in the same direction
b. (of an interval or chord) in root position; not inverted
Direct(religion, spiritualism, and occult)
When a planet is moving from west to east in the natural order of the zodiac, it is said to be moving direct. Direct is the antonym to retrograde, which is the apparent movement of a planet backward through the zodiac.
A straight-line flight between two navigation aids, fixes, points, or any combination thereof. It is that portion of flight not flown on radials or courses of established airways. When used by pilots to describe off-airway routes, the points defining direct route segments become compulsory reporting points unless the aircraft is under radar contact. Also called direct flight.