prevent from doing something or being in a certain state; "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"
an obstruction that stands in the way (and must be removed or surmounted or circumvented)
something immaterial that stands in the way and must be circumvented or surmounted; "lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree"
the seriousness of something (e.g., a burn or crime); "murder in the second degree"; "a second degree burn"
the highest power of a term or variable
a measure for arcs and angles; "there are 360 degrees in a circle"
a unit of temperature on a specified scale; "the game was played in spite of the 40-degree temperature"
a specific identifiable position in a continuum or series or especially in a process; "a remarkable degree of frankness"; "at what stage are the social sciences?"
a cushion-like device that reduces shock due to contact
a power tool used to buff surfaces
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
an ionic compound that resists changes in its pH
add a buffer (a solution); "buffered saline solution for the eyes"