a wrestling hold in which the toe is held and the leg is twisted against the joints
a small foothold used in climbing
a relatively insignificant position from which future progress might be made; "American diplomacy provided a toehold on which to proceed toward peace talks"; "his father gave him a toehold in the oil business"
the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
a single complete act of breathing in and out; "thirty respirations per minute"
respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration
a toxic condition caused by ingesting or inhaling mercury; acute mercury poisoning causes a metallic taste and vomiting and diarrhea and kidney problems that may lead to death
syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours; "he was suffering from radiation"
loaded to excess or impeded by a heavy load; "a summer resort...encumbered with great clapboard-and-stucco hotels"- A.J.Liebling; "a hiker encumbered with a heavy backpack"; "an encumbered estate"