| addition | the act of adding one thing to another, the addition of flowers created a pleasing effect, the addition of a leap day every four years |
family practice
family medicine | medical practice that provides health care regardless of age or sex while placing emphasis on the family unit |
| family therapy | any of several therapeutic approaches in which a family is treated as a whole |
| natural family planning | any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs, coitus is avoided during the fertile time of a woman's menstrual cycle |
birth control
birth prevention
family planning | limiting the number of children born |
basal body temperature method of family planning
basal body temperature method | natural family planning in which the fertile period of the woman's menstrual cycle is inferred by noting the rise in basal body temperature that typically occurs with ovulation |
ovulation method of family planning
ovulation method | natural family planning in which the fertile period is inferred from changes in the character and quantity of cervical mucus, ovulation is marked by an increase in mucus that becomes sticky and then clearer and slippery |
| summation addition plus | the arithmetic operation of summing, calculating the sum of two or more numbers, the summation of four and three gives seven, four plus three equals seven |
| matrix addition | the addition of matrices |
| bacteria family | a family of bacteria |
Rhizobiaceae
family Rhizobiaceae | a small family of rod-shaped bacteria |
Bacillaceae
family Bacillaceae | typically rod-shaped usually Gram-positive bacteria that produce endospores |
Myxophyceae
family Myxophyceae
Schizophyceae
family Schizophyceae | former terms for Cyanophyceae |
Nostocaceae
family Nostocaceae | blue-green algae |
Oscillatoriaceae
family Oscillatoriaceae | blue green algae |
Pseudomonodaceae
family Pseudomonodaceae | rod-shaped Gram-negative bacteria, include important plant and animal pathogens |
Athiorhodaceae
family Athiorhodaceae | small motile sulphur bacteria |
Nitrobacteriaceae
family Nitrobacteriaceae | usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria |
Thiobacteriaceae
family Thiobacteriaceae | free-living coccoid to rod-shaped bacteria that derive energy from oxidizing sulfur or sulfur compounds |
Spirillaceae
family Spirillaceae | rigid spirally curved elongate bacteria |
Bacteroidaceae
family Bacteroidaceae | family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals, sometimes associated with acute infective processes |
Corynebacteriaceae
family Corynebacteriaceae | a large family of mostly Gram-positive and aerobic and nonmotile rod-shaped bacteria of the order Eubacteriales |
Enterobacteriaceae
family Enterobacteriaceae | a large family of Gram-negative rod-shaped bacteria of the order Eubacteriales |
Rickettsiaceae
family Rickettsiaceae | microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates |
Chlamydiaceae
family Chlamydiaceae | Gram-negative parasites in warm-blooded vertebrates |
Mycoplasmataceae
family Mycoplasmataceae | pleomorphic Gram-negative nonmotile microorganism similar to both viruses and bacteria, parasitic in mammals |
Actinomycetaceae
family Actinomycetaceae | filamentous anaerobic bacteria |
Streptomycetaceae
family Streptomycetaceae | higher bacteria typically aerobic soil saprophytes |
Mycobacteriaceae
family Mycobacteriaceae | a family of bacteria |
Polyangiaceae
family Polyangiaceae
Myxobacteriaceae
family Myxobacteriaceae | bacteria living mostly in soils and on dung |
Micrococcaceae
family Micrococcaceae | spherical or elliptical usually aerobic eubacteria that produce yellow or orange or red pigment, includes toxin-producing forms as well as harmless commensals and saprophytes |
Lactobacillaceae
family Lactobacillaceae
Lactobacteriaceae
family Lactobacteriaceae | lactic acid bacteria and important pathogens, bacteria that ferment carbohydrates chiefly into lactic acid |
Spirochaetaceae
family Spirochaetaceae | large coarsely spiral bacteria, free-living in fresh or salt water or commensal in bodies of oysters |
Treponemataceae
family Treponemataceae | small spirochetes some parasitic or pathogenic |
| protoctist family | any of the families of Protoctista |
Endamoebidae
family Endamoebidae | a large family of endoparasitic amebas that invade the digestive tract |
Globigerinidae
family Globigerinidae | a family of protoctists |
Nummulitidae
family Nummulitidae | a family of fossil protoctists |
Arcellidae
family Arcellidae | soil and freshwater protozoa, cosmopolitan in distribution |
Tribonemaceae
family Tribonemaceae | simple filamentous freshwater yellow-green algae |
Laminariaceae
family Laminariaceae | large family of marine brown algae including many economically important large kelps chiefly of northern waters |
Fucaceae
family Fucaceae | small family of brown algae: gulfweeds, rockweeds |
Euglenaceae
family Euglenaceae | considered green algae |
Ulvaceae
family Ulvaceae
sea-lettuce family | thin flat or tubular green algae |
Volvocaceae
family Volvocaceae | unicellular or colonial biflagellate free-swimming flagellates |
Chlamydomonadaceae
family Chlamydomonadaceae | green algae some of which are colored red by hematochrome |
Zygnemataceae
family Zygnemataceae | pond scums: common freshwater algae forming green slimy masses |
Oedogoniaceae
family Oedogoniaceae | filamentous green algae |
Characeae
family Characeae | green algae superficially resembling horsetail ferns: stoneworts |
Desmidiaceae
family Desmidiaceae | unicellular algae |