world record | the best record in the whole world |
course course of study course of instruction class | education imparted in a series of lessons or meetings, he took a course in basket weaving, flirting is not unknown in college classes |
art class | a class in which you learn to draw or paint |
childbirth-preparation class | a course that teaches pregnant women to use breathing and concentration and exercise techniques to use during labor |
life class | an art class using a live human model |
shop class shop | a course of instruction in a trade (as carpentry or electricity), I built a birdhouse in shop |
class struggle class war class warfare | conflict between social or economic classes (especially between the capitalist and proletariat classes) |
world war | a war in which the major nations of the world are involved |
world affairs international affairs | affairs between nations, you can't really keep up with world affairs by watching television |
class action class-action suit | a lawsuit brought by a representative member of a large group of people on behalf of all members of the group |
the way of the world the ways of the world | the manner in which people typically behave or things typically happen, the ordinary reader is endowed with considerable wisdom and knowledge of the way of the world, she was well-versed in the ways of the world before she had taken the veil, he was amazingly innocent of the ways of the world |
course session class period recitation | a regularly scheduled session as part of a course of study |
World War I World War Great War First World War War to End War | a war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the Central Powers (Germany, Austria-Hungary, Turkey, Bulgaria) from to |
World War II World War Second World War | a war between the Allies (Australia, Belgium, Bolivia, Brazil, Canada, China, Colombia, Costa Rica, Cuba, Czechoslovakia, Dominican Republic, El Salvador, Ethiopia, France, Greece, Guatemala, Haiti, Honduras, India, Iran, Iraq, Luxembourg, Mexico, Netherlands, New Zealand, Nicaragua, Norway, Panama, Philippines, Poland, South Africa, United Kingdom, United States, USSR, Yugoslavia) and the Axis (Albania, Bulgaria, Finland, Germany, Hungary, Italy, Japan, Rumania, Slovakia, Thailand) from to |
Schizomycetes class Schizomycetes | a former classification |
class Cyanobacteria Cyanophyceae class Cyanophyceae | photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins, once thought to be algae: blue-green algae |
Sarcodina class Sarcodina | characterized by the formation of pseudopods for locomotion and taking food: Actinopoda, Rhizopoda |
Ciliata class Ciliata Ciliophora class Ciliophora | class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle |
Chrysophyceae class Chrysophyceae Heterokontae class Heterokontae | all the yellow-green algae having flagella of unequal length |
Xanthophyceae class Xanthophyceae | yellow-green algae |
Bacillariophyceae class Bacillariophyceae Diatomophyceae class Diatomophyceae | marine and freshwater eukaryotic algae: diatoms |
Phaeophyceae class Phaeophyceae | brown algae, mostly marine and littoral eukaryotic algae |
Cyclosporeae class Cyclosporeae | in more recent classifications superseded by the order Fucales |
Euglenophyceae class Euglenophyceae | coextensive with the division Euglenophyta |
Chlorophyceae class Chlorophyceae | algae distinguished chiefly by having flagella and a clear green color, their chlorophyll being masked little if at all by other pigments |
Ulvophyceae class Ulvophyceae | alternative name for the class Chlorophyceae in some classifications |
Charophyceae class Charophyceae | in some classifications: contains only the order Charales |
Rhodophyceae class Rhodophyceae | coextensive with the Rhodophyta: red algae |
Mastigophora class Mastigophora Flagellata class Flagellata | protozoa having flagella |
Cryptophyceae class Cryptophyceae | motile usually brownish-green protozoa-like algae |
Sporozoa class Sporozoa | strictly parasitic protozoans that are usually immobile, includes plasmodia and coccidia and piroplasms and malaria parasites |
Ascidiaceae class Ascidiaceae | sometimes classified as an order: sea squirts |
Thaliacea class Thaliacea | small class of free-swimming tunicates, sometimes classified as an order |
Larvacea class Larvacea | small free-swimming tunicates, sometimes classified as an order |
Placodermi class Placodermi | extinct group of bony-plated fishes with primitive jaws |
Chondrichthyes class Chondrichthyes | cartilaginous fishes |
Aves class Aves | (ornithology) the class of birds |
New World goldfinch goldfinch yellowbird Spinus tristis | American finch whose male has yellow body plumage in summer |
New World sparrow | sparrow-like North American finches |
New World flycatcher flycatcher tyrant flycatcher tyrant bird | large American birds that characteristically catch insects on the wing |
Old World flycatcher true flycatcher flycatcher | any of a large group of small songbirds that feed on insects taken on the wing |
Old World chat chat | songbirds having a chattering call |
robin redbreast robin redbreast Old World robin Erithacus rubecola | small Old World songbird with a reddish breast |
Old World warbler true warbler | small active brownish or greyish Old World birds |
New World warbler wood warbler | small brightolored American songbird with a weak unmusical song |
New World chat chat | birds having a chattering call |
New World oriole American oriole oriole | American songbird, male is black and orange or yellow |
New World blackbird blackbird | any bird of the family Icteridae whose male is black or predominantly black |
Old World oriole oriole | mostly tropical songbird, the male is usually bright orange and black |
Old World jay | a European jay |