The transverse diameter of the heart, as determined by x-ray examination, compared with that of the thoracic cage, used to help determine enlargement of the heart.
Where Did The Word”Pi” Come From?Pi is the Latin name of the sixteenth Greek letter, π. But, where did it come from?
How To Use ColonsColons are used to introduce lists, quotes, or further explanation. They’re also used to separate items in non-grammatical structures. Introducing a List A colon can be used to introduce a list. In general, the portion of sentence before the colon should be a complete sentence (it should contain a subject and a verb). Phrases like the following may sometimes be used to signal an introduction …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.