[ 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 .
[ 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 .