dead-man's float prone float | a floating position with the face down and arms stretched forward |
brain surgery | any surgical procedure involving the brain |
split-brain technique | brain surgery on animals in which the corpus callosum (and sometimes the optic chiasm) is severed so that communication between the cerebral hemispheres is interrupted |
dead reckoning | navigation without the aid of celestial observations |
Office of the Dead | an office read or sung before a burial mass in the Roman Catholic Church |
brain drain | depletion or loss of intellectual and technical personnel |
brain coral | massive reef-building coral having a convoluted and furrowed surface |
blind alley cul de sac dead-end street impasse | a street with only one way in or out |
cul cul de sac dead end | a passage with access only at one end |
dead-air space | an unventilated area where no air circulates |
dead axle | an axle that carries a wheel but without power to drive it |
dead load | a constant load on a structure (e.g. a bridge) due to the weight of the supported structure itself |
morgue mortuary dead room | a building (or room) where dead bodies are kept before burial or cremation |
dead weight | a heavy motionless weight |
dead center dead centre | the position of a crank when it is in line with the connecting rod and not exerting torque |
dead hand dead hand of the past mortmain | the oppressive influence of past events or decisions |
body dead body | a natural object consisting of a dead animal or person, they found the body in the lake |
brain cell | a nerve cell in the brain |
left hemisphere left brain | the cerebral hemisphere to the left of the corpus callosum that controls the right half of the body |
right hemisphere right brain | the cerebral hemisphere to the right of the corpus callosum that controls the left half of the body |
rhinencephalon olfactory brain | a center in the cerebral hemispheres that governs the sense of smell in lower animals, in humans it seems to mediate complex emotional behavior |
brain encephalon | that part of the central nervous system that includes all the higher nervous centers, enclosed within the skull, continuous with the spinal cord |
limbic system visceral brain limbic brain | a system of functionally related neural structures in the brain that are involved in emotional behavior |
brainstem brain-stem brain stem | the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus |
mind head brain psyche nous | that which is responsible for one's thoughts and feelings, the seat of the faculty of reason, his mind wandered, I couldn't get his words out of my head |
brain brainpower learning ability mental capacity mentality wit | mental ability, he's got plenty of brains but no common sense |
guess guesswork guessing shot dead reckoning | an estimate based on little or no information |
dead weight | an oppressive encumbrance |
brain science | the branch of neuroscience concerned with the brain |
dead language | a language that is no longer learned as a native language |
Dead Sea scrolls | (Old Testament) a collection of written scrolls (containing nearly all of the Old Testament) found in a cave near the Dead Sea in the late s, the Dead Sea Scrolls provide information about Judaism and the Bible around the time of Jesus |
dead letter dead mail | mail that can neither be delivered nor returned |
riddle conundrum enigma brain-teaser | a difficult problem |
funeral march dead march | a slow march to be played for funeral processions |
dead metaphor frozen metaphor | a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake') |
dead heat | a tie in a race |
brain | the brain of certain animals used as meat |
calf's brain | the brain of a calf eaten as meat |
dead | people who are no longer living, they buried the dead |
kitchen cabinet brain trust | an inner circle of unofficial advisors to the head of a government |
dead drop | a drop used for the clandestine exchange of intelligence information, a dead drop avoids the need for an intelligence officer and a spy to be present at the same time |
blood-brain barrier | a mechanism that creates a barrier between brain tissues and circulating blood, serves to protect the central nervous system, the brain was protected from the large molecules of the virus by the blood-brain barrier |
Dead Sea | a saltwater lake on the border between Israel and Jordan, its surface in feet below sea level |
backroom boy brain truster | an expert adviser involved in making important decisions but usually lacking official status |
brainworker brain-worker | someone whose profession involves using his head to solve problems |
dead person dead soul deceased person deceased decedent departed | someone who is no longer alive, I wonder what the dead person would have done |
genius mastermind brain brainiac Einstein | someone who has exceptional intellectual ability and originality, Mozart was a child genius, he's smart but he's no Einstein |
neurologist brain doctor | a medical specialist in the nervous system and the disorders affecting it |
neurosurgeon brain surgeon | someone who does surgery on the nervous system (especially the brain) |
ringer dead ringer clone | a person who is almost identical to another |