Chrom
This word means "excessive pigmentation"
hyperchromia
This root means "skin"
derm
This root means "time"
chron
This word means "pertaining to the eye; vision"
optical
This root means "heat"
therm
This word means "producing color"
chromogenic
This word means "under the skin"
hypodermic
This word means "continuing a long time or recurring frequently"
This root means "life"
bio
This word means "relating to both time and temperature"
chronothermal
This root means "many"
poly
This word means "related to the middle layer of skin"
mesodermic
This word means "occurring at the same time"
synchronous
This root means "sound"
phone
This root means "write, written"
graph
This word means "element used for making pigments"
chromium
This word means "resembling skin"
dermoid
This root means "earth, ground"
geo
This word means "removal and examination of tissue from a living body"
biopsy
This word means "producing heat"
thermogenic
This root means "cause, birth, race, produce"
gen
This root means "thick"
pachy
This word means "something out of place or time"
anachronism
This word means "related to statistical analysis of biological observations and phenomena"
biometric
This word means "recording a visual image of body heat using infrared devices"
thermography