escaped ventricular contraction
A heartbeat following an abnormally long pause, caused by an impulse in the ventricle.
Sure, “ain’t” gets the attention, but what do “am’nt,” “h’aint” and “b’aint” mean?What’s all the fuss over ain’t about? Is there really anything wrong with the word? Or is it even a word? The colloquialism ain’t is a nonstandard contraction of the following: “am not,” “are not,” “is not,” “have not,” and “has not.” It is also used in some dialects as a contraction for “do not,” “does not,” and “did not.” For example, “We ain’t got any milk left.” …
‘Tis the Season To Learn More About ‘TisWhat does ‘tis mean? ‘Tis, as in “`tis the season” is an old—very old—contraction of it is. The apostrophe replaces the i in the word it to create ’tis . . . not quite how we create contractions today. According to Google’s Ngram Viewer, the contraction ’tis was a fan favorite in the early 1700s. At this time, it was likely used more often than it’s. Why is ’tis used? ‘Tis …
- escape road,
- escape routine,
- escape shaft,
- escape velocity,
- escape wheel,
- escapement error,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.