semi has definitions from the fields of transportation,sport
[ adjective ] (prefix) half or partial


"`semi' is a prefix in such words as `semicircular' and `semiannual' and `semiconscious'"

Used in print

(J. F. Vedder, "Micrometeorites", in Francis S. J...)

The Poynting-Robertson effect causes the semi major_axis of orbits to diminish more rapidly than the semi-minor_axis , with a consequent tendency toward circular orbits as the particles move toward the sun .

De_Jager ( 1955 ) has calculated the times required for these particles to reach the atmosphere under the influence of the Poynting-Robertson effect , which in this case causes the orbits to become more_and_more eccentric without changing the semi major_axis .

(Evan Esar, Humorous English; a guide to comic ,...)

This slip is so-called because its semi ambiguous English always seems to refer to a person 's anatomy but never quite means what it seems to say .

Related terms


[ adjective ] (prefix) having some of the characteristics of


"`semi' is a prefix meaning similar in the word `semiofficial'"

Used in print

(Chicago Daily Tribune...)

Abstractions and semi abstractions by Everett_McNear are being exhibited by the University_gallery_of_Notre_Dame until Nov. 5 .

(Tristram P. Coffin, "Folklore in the American Twentieth...)

Nor have we remembered that in the melting_pot of America the hundreds of isolated and semi isolated ethnic , regional and occupational groups did not fuse into a homogeneous national unit until long after education and industrialization had caused them to cast oral tradition aside as a means of carrying culturally significant material .

Related terms


[ noun ] (transportation) a truck consisting of a tractor and trailer together
[ noun ] (sport) one of the two competitions in the next to the last round of an elimination tournament



[ noun ] (transportation) a trailer having wheels only in the rear; the front is supported by the towing vehicle



Related terms

trailer trailer_truck