Line (geometry) definition

noun

(1) The principal activity in your life that you do to earn money

"He's not in my line of business"

(2) Acting in conformity

"In line with"

"He got out of line"

"Toe the line"

(3) A conductor for transmitting electrical or optical signals or electric power

(4) Something (as a cord or rope) that is long and thin and flexible

"A washing line"

(5) The road consisting of railroad track and roadbed

(6) A commercial organization serving as a common carrier

(7) A particular kind of product or merchandise

"A nice line of shoes"

(8) A pipe used to transport liquids or gases

"A pipeline runs from the wells to the seaport"

(9) Mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it

(10) A telephone connection

(11) A conceptual separation or distinction

"There is a narrow line between sanity and insanity"

(12) The methodical process of logical reasoning

"I can't follow your line of reasoning"

(13) (often plural) a means of communication or access

"It must go through official channels"

"Lines of communication were set up between the two firms"

(14) A short personal letter

"Drop me a line when you get there"

(15) A mark that is long relative to its width

"He drew a line on the chart"

(16) Text consisting of a row of words written across a page or computer screen

"The letter consisted of three short lines"

"There are six lines in every stanza"

(17) A succession of notes forming a distinctive sequence

"She was humming an air from Beethoven"

(18) The descendants of one individual

"His entire lineage has been warriors"

(19) A connected series of events or actions or developments

"The government took a firm course"

"Historians can only point out those lines for which evidence is available"

(20) A formation of people or things one behind another

"The line stretched clear around the corner"

"You must wait in a long line at the checkout counter"

(21) A formation of people or things one beside another

"The line of soldiers advanced with their bayonets fixed"

"They were arrayed in line of battle"

"The cast stood in line for the curtain call"

(22) A spatial location defined by a real or imaginary unidimensional extent

(23) In games or sports; a mark indicating positions or bounds of the playing area

(24) A fortified position (especially one marking the most forward position of troops)

"They attacked the enemy's line"

(25) A single frequency (or very narrow band) of radiation in a spectrum