A test may also be done to measure the level of T4 in the blood.

Without question, the level measured in this woman was critically high.

She paused, trying to measure the level of interest as it crossed all their faces.

One investigation measured the level of sound at 90 decibels.

The focus was on three main citizen-scientist programs to measure local levels of light pollution.

They are, in effect, measuring differing levels of sound absorption.

It measured the light level but had no camera.

This is a goal that can be met on a variety of levels not easily measured by a standardized test.

This test measures levels of a chemical in the blood called CA-125.

The test measures levels of a brain chemical called glutamate.