| substance | the real physical matter of which a person or thing consists, DNA is the substance of our genes |
| substance | a particular kind or species of matter with uniform properties, shigella is one of the most toxic substances known to man |
substance abuse
drug abuse
habit | excessive use of drugs |
| controlled substance | a drug or chemical substance whose possession and use are controlled by law |
psychoactive drug
mind-altering drug
consciousness-altering drug
psychoactive substance | a drug that can produce mood changes and distorted perceptions |
| body substance | the substance of the body |
| solid body substance | the solid parts of the body |
liquid body substance
bodily fluid
body fluid
humor
humour | the liquid parts of the body |
protoplasm
living substance | the substance of a living cell (including cytoplasm and nucleus) |
hyaloplasm
ground substance | the clear nongranular portion of the cytoplasm of a cell |
grey matter
gray matter
grey substance
gray substance
substantia grisea | greyish nervous tissue containing cell bodies as well as fibers, forms the cerebral cortex consisting of unmyelinated neurons |
matrix intercellular substance
ground substance | the body substance in which tissue cells are embedded |
meaning
substance | the idea that is intended, What is the meaning of this proverb? |
kernel
substance core
center
centre
essence
gist
heart heart and soul
inwardness marrow
meat
nub
pith
sum
nitty-gritty f a e a c | the choicest or most essential or most vital part of some idea or experience, the gist of the prosecutor's argument, the heart and soul of the Republican Party, the nub of the story |
message
content
subject matter
substance | what a communication that is about something is about |
drug user
substance abuser
user | a person who takes drugs |
means
substance | considerable capital (wealth or income), he is a man of means |
blood coagulation
blood clotting | a process in which liquid blood is changed into a semisolid mass (a blood clot) |
curdling
clotting
coagulation | the process of forming semisolid lumps in a liquid |
| substance | material of a particular kind or constitution, the immune response recognizes invading substances |
chemical
chemical substance | material produced by or used in a reaction involving changes in atoms or molecules |
lubricant
lubricator
lubricating substance
lube | a substance capable of reducing friction by making surfaces smooth or slippery |
synthetic
synthetic substance | a compound made artificially by chemical reactions |
| humic substance | an organic residue of decaying organic matter |
plant material
plant substance | material derived from plants |
coagulation factor
clotting factor | any of the factors in the blood whose actions are essential for blood coagulation |
poison
toxicant
poisonous substance | any substance that causes injury or illness or death of a living organism |
transparent substance
translucent substance | a material having the property of admitting light diffusely, a partly transparent material |
| clotting time | the time it takes for a sample of blood to clot, used to diagnose some clotting disorders |