A situation where air temperature increases with altitude (the ground being colder than the surrounding air).
The position of a chord which has a note other than the root as its bass note.
A section of a roller coaster where passengers are temporarily turned upside down.
An operation on a group, analogous to negation.
The reversal of an interval; the move of one pitch in an interval up or down an octave.
The action of inverting.
The flipping of a melody or contrapuntal line so that high notes become low and vice versa; the reversal of a pitch contour.
Deviation from standard word order by putting the predicate before the subject. It takes place in questions with auxiliary verbs and in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis.
A segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome.
The act of being in an inverted state; being upside down, inside out, or in a reverse sequence.
Steady winds blowing from east to west above and below the equator.
The skilled practice of a practical occupation.
A particular instance of buying or selling.
Those who perform a particular kind of skilled work.
Those engaged in an industry or group of related industries.
An occupation in the secondary sector, as opposed to an agricultural, professional or military one.
The business given to a commercial establishment by its customers.
Buying and selling of goods and services on a market.
An instance of bartering items in exchange for one another.
A publication intended for participants in an industry or related group of industries.
A masculine man available for casual sex with men, often for pay. (Compare rough trade.)
Refuse or rubbish from a mine.
To recommend and get recommendations.
To be traded at a certain price or under certain conditions.
To engage in trade.
To mutually exchange (something) (with).
To give someone a plant and receive a different one in return.
To have dealings; to be concerned or associated (with).
To do business; offer for sale as for one's livelihood.
To give (something) in exchange (for).
Of a product, produced for sale in the ordinary bulk retail trade and hence of only the most basic quality.