group grouping | any number of entities (members) considered as a unit |
group practice | (medicine) the practice of medicine by a group of physicians who share their premises and other resources |
group therapy group psychotherapy | psychotherapy in which a small group of individuals meet with a therapist, interactions among the members are considered to be therapeutic |
group action | action taken by a group of people |
group participation | participation by all members of a group |
surprise attack coup de main | an attack without warning |
Adapid Adapid group | extinct small mostly diurnal lower primates that fed on leaves and fruit, abundant in North America and Europetomillion years ago, their descendents probably include the lemurs, some authorities consider them ancestral to anthropoids but others consider them only cousins |
Omomyid Omomyid group | extinct tiny nocturnal lower primates that fed on fruit and insects, abundant in North America and Europetomillion years ago, probably gave rise to the tarsiers, some authorities consider them ancestral to anthropoids but others consider them only cousins |
electric main | a main that distributes electricity |
gas main | a main that distributes gas |
headquarters central office main office home office home base | (usually plural) the office that serves as the administrative center of an enterprise, many companies have their headquarters in New York |
highway main road | a major road for any form of motor transport |
main | a principal pipe in a system that distributes water or gas or electricity or that collects sewage |
main course | a square mainsail |
main deck second deck | the uppermost sheltered deck that runs the entire length of a large vessel |
main drag | the main street of a town or city |
main line | the principal route of a transportation system |
main rotor | rotor consisting of large rotating airfoils on a singleotor helicopter that produce the lift to support the helicopter in the air |
main street high street | street that serves as a principal thoroughfare for traffic in a town |
main-topmast | the topmast next above the mainmast |
main-topsail | a topsail set on the mainmast |
main yard | yard for a square mainsail |
riser riser pipe riser pipeline riser main | a vertical pipe in a building |
sewer main sewer line | a main in a sewage system |
water main | main (a pipe or conduit) for conveying water |
blood group blood type | human blood cells (usually just the red blood cells) that have the same antigens |
A type A group A | the blood group whose red cells carry the A antigen |
B type B group B | the blood group whose red cells carry the B antigen |
AB type AB group AB | the blood group whose red cells carry both the A and B antigens |
O type O group O | the blood group whose red cells carry neither the A nor B antigens, people with type O blood are universal donors |
linkage group linked genes | any pair of genes that tend to be transmitted together, the genes of Drosophila fall into four linkage groups |
ABO blood group system ABO system ABO group | a classification system for the antigens of human blood, used in blood transfusion therapy, four groups are A and B and AB and O |
group mathematical group | a set that is closed, associative, has an identity element and every element has an inverse |
group theory | the branch of mathematics dealing with groups |
Abelian group commutative group | a group that satisfies the commutative law |
group dynamics | the branch of social psychology that studies the psychodynamics of interaction in social groups |
liaison link contact inter-group communication | a channel for communication between groups, he provided a liaison with the guerrillas |
citation form main entry word entry word | the form of a word that heads a lexical entry and is alphabetized in a dictionary |
main clause independent clause | a clause in a complex sentence that can stand alone as a complete sentence |
master file main file | (computer science) a computer file that is used as the authority in a given job and that is relatively permanent |
conference group discussion | a discussion among participants who have an agreed (serious) topic |
entree main course | the principal dish of a meal |
biological group | a group of plants or animals |
age group age bracket cohort | a group of people having approximately the same age |
social group | people sharing some social relation |
ethnic group ethnos | people of the same race or nationality who share a distinctive culture |
interest interest group | (usually plural) a social group whose members control some field of activity and who have common aims, the iron interests stepped up production |
kin kin group kinship group kindred clan tribe | group of people related by blood or marriage |
taxonomic group taxonomic category taxon | animal or plant group having natural relations |
animal group | a group of animals |