absorptiometry

1. A method of chemical analysis in which a sample of a substance is exposed to electromagnetic radiation, and the amount of radiation absorbed by the sample is measured. This measurement is then used to determine the concentration or chemical composition of the substance. Absorptiometry is used in medicine to measure bone density.

Example Sentences

These children also had repeated measurement of dual-energy Xray absorptiometry assessment of total body fat mass and muscle mass, as well as fasting blood glucose, insulin, and high sensitivity C-reactive protein, with smoking status, socio-economic status, and family history of cardiovascular disease.

From Science Daily

All underwent a bone density scan using dual-energy X-ray absorptiometry.

From US News

Those screening X-rays — known as DXA for dual-energy X-ray absorptiometry — measure bone and also allow an estimation of fat.

From US News

Body Spec, of Los Angeles, has offered dual-energy X-ray absorptiometry scans, or DXA testing, at Google since early 2015.

From Wall Street Journal

So, Ciccolo says a person may not necessarily be losing weight while building muscle tone, and get the mistaken impression they're not making progress, even if their overall health is improving,  However, getting a firm handle on an individual’s body composition – such as a lean body mass, or muscle-to-fat ratio – requires sophisticated technology, he says, such as a DEXA, or duel-energy X-ray absorptiometry scan that also looks at bone density.

From US News