A genetically modified bacterium created from Pseudomona syringae that inhibits the formation of ice crystals, thereby making some crops more frost tolerant.

(proscribed) eggcorn of might as well.

Alternative spelling of pi-minus

Alternative form of ice-minus

(arithmetic) The symbol −, used to denote the operation of subtraction or to indicate that a number is negative.

(aerospace) Specifies the remaining time until some future event (takeoff, encounter, etc.).

A (generally hypothetical) grade lower than an "F"; a grade representing not merely a failure, but a complete and utter failure.

(genetics) A particular method of DNA sequencing, including first lengthening the DNA by means of DNA polymerase. / (geology) A particular method of interpreting seismic refraction data

plural of plus-minus sign

plural of minus-plus sign