biochemical

adjective

bio·​chem·​i·​cal ˌbī-ō-ˈke-mi-kəl 

1

: of or relating to biochemistry

2

: characterized by, produced by, or involving chemical reactions in living organisms

a biochemical defect in the brain

biochemical noun

biochemically

ˌbī-ō-ˈke-mi-k(ə-)lē 

adverb

Examples of biochemical in a Sentence

Recent Examples on the Web

May Regulate Blood Pressure Magnesium is another essential mineral involved in over 300 biochemical reactions in the body. —Jessica Swirble, Verywell Health, 3 Sep. 2025

An ongoing mystery for researchers is how life navigated the shift from anaerobic to aerobic respiration; so much microbial biodiversity had to adapt to a world filled with what was once a biochemical bane. —Jake Buehler, Wired News, 31 Aug. 2025

Metabolic processes unfold in biochemical time, perhaps one billion reactions per second in each cell in our bodies. —Anil Seth, Big Think, 20 Aug. 2025

But while much implantation research focuses on the biochemical aspects of this complex and mysterious natural phenomenon, the IBEC team chose instead to examine the biomechanics. —Leslie Katz, Forbes.com, 17 Aug. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1836, in the meaning defined at sense 1

Phrases Containing biochemical

• biochemical oxygen demand

Rhymes for biochemical

• alchemical
• polemical
• academical
• agrochemical
• cytochemical
• geochemical
• histochemical
• microchemical
• neurochemical
• petrochemical
• photochemical
• phytochemical

Medical Definition

biochemical

adjective

bio·​chem·​i·​cal -ˈkem-i-kəl 

1

: of or relating to biochemistry

2

: characterized by, produced by, or involving chemical reactions in living organisms

biochemical abnormalities

biochemical processes

biochemical noun

biochemically

-k(ə-)lē 

adverb