nitrogenase
(ɪˈtrɒdʒ əˌneɪs, -ˌneɪz, ˈnaɪ trə dʒə-)
Random House Webster's College Dictionary
an enzyme complex that catalyzes the reduction of molecular nitrogen in the nitrogen-fixation process of bacteria.
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nitrogen cycle
(ɪˈtrɒdʒ əˌneɪs, -ˌneɪz, ˈnaɪ trə dʒə-)
Random House Webster's College Dictionary
the continuous sequence of natural processes by which nitrogen in the atmosphere and nitrogenous compounds in the soil are converted, as by nitrification and nitrogen fixation, into substances that can be utilized by green plants and then returned to the air and soil as a result of denitrification and plant decay.
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nitrogen-fixing
(ɪˈtrɒdʒ əˌneɪs, -ˌneɪz, ˈnaɪ trə dʒə-)
Random House Webster's College Dictionary
involved in or aiding nitrogen fixation.
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nitrogen fixer
(ɪˈtrɒdʒ əˌneɪs, -ˌneɪz, ˈnaɪ trə dʒə-)
Random House Webster's College Dictionary
any of various microorganisms in the soil involved in the process of nitrogen fixation.
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trichodesmium
(trichodesmium)
Princeton's WordNet
large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation
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ferredoxin
(ˌfɛr əˈdɒk sɪn)
Random House Webster's College Dictionary
any of a group of red-brown proteins containing iron and sulfur and acting as an electron carrier during photosynthesis, nitrogen fixation, or oxidation-reduction reactions.
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bacteria
(ˈtɪər i əm)
Random House Webster's College Dictionary
any of numerous groups of microscopic one-celled organisms constituting the phylum Schizomycota, of the kingdom Monera, various species of which are involved in infectious diseases, nitrogen fixation, fermentation, or putrefaction.
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denitrification
Webster Dictionary
the act or process of freeing from nitrogen; also, the condition resulting from the removal of nitrogen
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nitrogenase
(nitrogenase)
Princeton's WordNet
an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia
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nitrogen cycle
(nitrogen cycle)
Princeton's WordNet
the circulation of nitrogen; nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil
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nitrogenise
(nitrify, nitrogenize, nitrogenise)
Princeton's WordNet
treat with nitrogen or a nitrogen compound
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nitrogenize
(nitrify, nitrogenize, nitrogenise)
Princeton's WordNet
treat with nitrogen or a nitrogen compound
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nitrify
(nitrify, nitrogenize, nitrogenise)
Princeton's WordNet
treat with nitrogen or a nitrogen compound
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photography
Webster Dictionary
the science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like
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ankylosis
Webster Dictionary
stiffness or fixation of a joint; formation of a stiff joint
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fixate
(ˈfɪk seɪt)
Random House Webster's College Dictionary
to develop a fixation.
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central scotoma
(central scotoma)
Princeton's WordNet
a scotoma that involves the fixation point
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paracentral scotoma
(paracentral scotoma)
Princeton's WordNet
a scotoma that is adjacent to the fixation point
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hang-up
(ˈhæŋˌoʊ vər)
Random House Webster's College Dictionary
a preoccupation, fixation, or psychological block; complex.
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fixative
(ˈfɪk sə tɪv)
Random House Webster's College Dictionary
a chemical substance, as sodium thiosulfate, used in photography to promote fixation.
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immobilisation
(immobilization, immobilisation)
Princeton's WordNet
fixation (as by a plaster cast) of a body part in order to promote proper healing
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immobilization
(immobilization, immobilisation)
Princeton's WordNet
fixation (as by a plaster cast) of a body part in order to promote proper healing
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determination
(ɪˌtɜr məˈneɪ ʃən)
Random House Webster's College Dictionary
the fixation of the fate of a cell or group of cells, esp. before actual morphological or functional differentiation occurs.
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wassermann test
(ˈwɑ sər mən)
Random House Webster's College Dictionary
a diagnostic test for syphilis using the fixation of a complement by the serum of a syphilitic individual. Also called Wassermann reaction.
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azote
Webster Dictionary
same as Nitrogen
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oral personality
(oral personality)
Princeton's WordNet
(psychoanalysis) a personality characterized either by generous optimism or aggressive and ambitious selfishness; formed in early childhood by fixation during the oral stage of development
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nitrogenous
(ɪˈtrɒdʒ ə nəs)
Random House Webster's College Dictionary
containing nitrogen.
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n
(ən)
Random House Webster's College Dictionary
nitrogen.
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carbazotic
Webster Dictionary
containing, or derived from, carbon and nitrogen
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denitrify
Webster Dictionary
to deprive of, or free from, nitrogen
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