a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"
(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons; "particles in space exist in the form of a plasma"
a green slightly translucent variety of chalcedony used as a gemstone
a photograph that is printed on smooth shiny paper
(of paper and fabric and leather) having a surface made smooth and glossy especially by pressing between rollers; "calendered paper"; "a dress of glossy sateen"
having a smooth, gleaming surface; "glossy auburn hair"; "satiny gardenia petals"; "sleek black fur"; "silken eyelashes"; "silky skin"; "a silklike fabric"; "slick seals and otters"
clearly or sharply defined to the mind; "clear-cut evidence of tampering"; "Claudius was the first to invade Britain with distinct...intentions of conquest"; "trenchant distinctions between right and wrong"
having had all the trees removed at one time; "clear-cut hillsides are subject to erosion"
remove all the trees at one time; "clear-cut an acre of forest"
the economic and political theories of Karl Marx and Friedrich Engels that hold that human actions and institutions are economically determined and that class struggle is needed to create historical change and that capitalism will ultimately be superseded by communism
promoting or enhancing well-being; "an arms limitation agreement beneficial to all countries"; "the beneficial effects of a temperate climate"; "the experience was good for her"
tending to promote physical well-being; beneficial to health; "beneficial effects of a balanced diet"; "a good night's sleep"; "the salutary influence of pure air"