valves

At the junction of each of these great vessels with its corresponding ventricle, is another valvular apparatus, consisting of three pouch-like valves, called the _semilunar valves_, from their resemblance, in shape, to a half-moon.

The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand Ray Vaughn Pierce 1877

Example: I needed to take down 4 very large valves from a paper mill smoke stack.

Poll: President Obama's numbers drop in crucial state 2009

At 10: 50 p.m., firefighters reported to have shut off "several main valves" stopping the flow of water.

Flooding At The D.D. Martin House 2008

Medtronic Inc. is changing part of a key study for its catheter-delivered heart valves, which is needed to win U.S. approval, so that patients who face serious risks if they don't get new valves will all get one.

Medtronic Alters Study for New Heart Valves Jon Kamp 2011

Since the invention of the transistor in 1947, solid state electronics have gradually displaced electronic valves aka tubes designs in most electronic applications.

Electronic valves still rule the roost in high performance radar Thatsnews 2008

Since the invention of the transistor in 1947, solid state electronics have gradually displaced electronic valves aka tubes designs in most electronic applications.

Archive 2008-07-01 Thatsnews 2008

Some of the genera are attached to coral or rock indifferently by either valve, and it is exceptional to find on the beach a perfect specimen — that is, the valves united.

Tropic Days 2003

Rheumatic attacks of the heart do most harm when they occur in early life — the period when the valves are the most easily affected.

Physiology and Hygiene for Secondary Schools Francis M. Walters

Harpes: the lateral pieces of the male genitalia in Lepidoptera, used as clasping organs: also applied to the corneous hooks often borne by these lateral pieces, which are then termed valves; see clasper: in culicids an articulated process, sometimes jointed, at the base of inner side of side-piece, below and exterior to the harpagones.

Explanation of Terms Used in Entomology John. B. Smith

Whether its action was originally automatic or whether dependent upon the hand operation of the valves is a question of doubt.

Steam, Its Generation and Use