an unknown and unpredictable phenomenon that causes an event to result one way rather than another; "bad luck caused his downfall"; "we ran into each other by pure chance"
an unknown and unpredictable phenomenon that leads to a favorable outcome; "it was my good luck to be there"; "they say luck is a lady"; "it was as if fortune guided his hand"
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
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
a group of people living in a particular local area; "the team is drawn from all parts of the community"
a group of people having ethnic or cultural or religious characteristics in common; "the Christian community of the apostolic age"; "he was well known throughout the Catholic community"
a group of nations having common interests; "they hoped to join the NATO community"
common ownership; "they shared a community of possessions"
agreement as to goals; "the preachers and the bootleggers found they had a community of interests"
a group of animals of the same type living together
(microbiology) a group of organisms grown from a single parent cell
a body of people who settle far from home but maintain ties with their homeland; inhabitants remain nationals of their home state but are not literally under the home state's system of government
a geographical area politically controlled by a distant country
one of the 13 British colonies that formed the original states of the United States
form a critical opinion of; "I cannot judge some works of modern art"; "How do you evaluate this grant proposal?" "We shouldn't pass judgment on other people"
a single undivided whole; "an idea is not a unit that can be moved from one brain to another"
an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"
marked by friendly companionship with others; "a social cup of coffee"
living together or enjoying life in communities or organized groups; "a human being is a social animal"; "mature social behavior"
tending to move or live together in groups or colonies of the same kind; "ants are social insects"
composed of sociable people or formed for the purpose of sociability; "a purely social club"; "the church has a large social hall"; "a social director"
relating to human society and its members; "social institutions"; "societal evolution"; "societal forces"; "social legislation"
relating to or belonging to or characteristic of high society; "made fun of her being so social and high-toned"; "a social gossip colum"; "the society page"
the discipline that records and interprets past events involving human beings; "he teaches Medieval history"; "history takes the long view"
all that is remembered of the past as preserved in writing; a body of knowledge; "the dawn of recorded history"; "from the beginning of history"
a record or narrative description of past events; "a history of France"; "he gave an inaccurate account of the plot to kill the president"; "the story of exposure to lead"
the aggregate of past events; "a critical time in the school's history"
the continuum of events occurring in succession leading from the past to the present and even into the future; "all of human history"
a world organization of autonomous states that are united in allegiance to a central power but are not subordinate to it or to one another
the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico)
a passage for water (or other fluids) to flow through; "the fields were crossed with irrigation channels"; "gutters carried off the rainwater into a series of channels under the street"
a television station and its programs; "a satellite TV channel"; "surfing through the channels"; "they offer more than one hundred channels"
a path over which electrical signals can pass; "a channel is typically what you rent from a telephone company"
(often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms"
a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels; "the ship went aground in the channel"
direct the flow of; "channel information towards a broad audience"