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Related to temperature: body temperature
run a temperature
To have an abnormally high body temperature (a fever), which is indicative of or caused by illness. Dan: "How's Pete feeling?" Marshall: "Well, he ran a temperature last night, but he seemed a lot better this morning after some rest." I think I've started running a temperature. Maybe I should go lie down.
slang The IQ possessed by an inept computer user. Room temperature is 70 degrees in Fahrenheit and 21 degrees in Celsius—two numbers significantly lower than the average IQ (which is around 100). I know this design change makes sense to us, but will someone with a room-temperature IQ be able to navigate it?
run a fever
To be sick with a fever. After my toddler was lethargic all day, I begin to worry that she was running a fever.
run a fever and run a temperature
to have a body temperature higher than normal; to have a fever. I ran a fever when I had the flu. The baby is running a temperature and is grouchy.
take someone's temperature
to measure a person's body temperature with a thermometer. I took my temperature and I found that I am running a fever. The nurse took my temperature and said I was okay.
run a fever
Also, run a temperature. Suffer from a body temperature higher than normal, as in She was running a fever so I kept her home from school. These idioms use run in the sense of "cause to move," in this case upward. [Early 1900s]