If you graph a linear function, you get a line. If you graph a quadratic function, you get something called a parabola. A parabola tends to look like a smile or a frown, depending on the function. Check out this tutorial and learn about parabolas!
Green Door Meanings. Green bursts with images of spring, and so green is symbolic of renewal, growth, rejuvenation and transformation. Green is associated with the earth, and can provide grounding energies. Green is also used in holistic healing practices because it promotes physical well-being as well as compassion.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: door (noun). a swinging or sliding barrier that will close the entrance to a room or building or vehicle. he knocked on the door; he slammed the door as he left. doorway, door, room access, threshold (noun).the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close. he stuck his head in the doorway.rinceton's WordNet (0.00 / 0 votes) Rate this definition: door (noun). a swinging or sliding barrier that will close the entrance to a room or building or vehicle. he knocked on the door; he slammed the door as he left. doorway, door, room access, threshold (noun).