biological

adjective
bi·​o·​log·​i·​cal | \ ˌbī-ə-ˈlä-ji-kəl How to pronounce biological (audio) \
variants: or less commonly biologic \ ˌbī-​ə-​ˈlä-​jik How to pronounce biologic (audio) \

Definition of biological

1 : of or relating to biology or to life and living processes
2 : used in or produced by applied biology
3 : connected by direct genetic relationship rather than by adoption or marriage her biological father

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Other Words from biological

biologically \ ˌbī-​ə-​ˈlä-​ji-​k(ə-​)lē How to pronounce biologically (audio) \ adverb

Synonyms & Antonyms for biological

Synonyms

birth, consanguineous, natural

Antonyms

adopted, adoptive, nonbiological

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Examples of biological in a Sentence

the rights of the biological father in this case

Recent Examples on the Web

Although their biological samples were low overall, scientists did find creatures, including small crustaceans called copapods, as well as euphausiids, or krill, a shrimp-like crustacean. San Diego Union-Tribune, "Research cruise off California finds life lacking in parts of the ocean," 5 Aug. 2019 The third-hour co-anchor suffered from secondary infertility, which occurs when women who have one or more biological children have difficulty conceiving another. Kayla Keegan, Good Housekeeping, "When Is Dylan Dreyer's Due Date? Here's When Her Baby Boy Will Likely Be Born," 18 July 2019 Even after the cameras stopped rolling, more drama continued to pile up for the couple after reports surfaced alleging Baier wasn’t paying child support for several secret biological children with multiple women. Brittany King, PEOPLE.com, "Teen Mom OG, 2 & 3: Where Are They Now?," 10 July 2019 Some roasters are trying ultralow-temperature freezers typically used by labs to store biological samples. Mike Cherney, WSJ, "Freezing Your Coffee Beans? The Experts Say You’re Doing It All Wrong," 12 Feb. 2019 Hunger said the intent focus on individual control over weight glosses over the complex genetic, biological, and social determinants of health. Carrie Dennett, Washington Post, "The many reasons a British writer was wrong to disparage Nike’s plus-size mannequins," 17 July 2019 Specific biological, psychological, and environmental factors contribute to depressive symptoms in college students, the Journal of Affective Disorders notes. Jon Patrick Hatcher, Good Housekeeping, "College Depression and Anxiety Are Serious — Here's How to Help Yourself or a Friend," 26 June 2019 In a 1918 textbook co-authored with Roswell Johnson, Applied Eugenics, Popenoe defined feminism as a foolish effort to eliminate biological, political, and economic differentiation between the sexes. Audrey Farley, Longreads, "We Still Don’t Know How to Navigate the Cultural Legacy of Eugenics," 20 June 2019 The authority stockpiles vaccines, drugs, and other treatments in case of public health emergencies, including chemical, biological, and nuclear attacks. Jonathan Saltzman, BostonGlobe.com, "Fast-growing Vericel finds success on two fronts: knee surgery and burn care," 11 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biological.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of biological

1818, in the meaning defined at sense 1

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More Definitions for biological

biological

adjective

English Language Learners Definition of biological

: of or relating to biology or to life and living things
: related through birth

biological

adjective
bi·​o·​log·​i·​cal | \ ˌbī-ə-ˈlä-ji-kəl\

Kids Definition of biological

1 : of or relating to biology or to life and living things biological activity
2 : related by birth

biological

adjective
variants: also biologic

Medical Definition of biological

1 : of or relating to biology or to life and living processes
2 : used in or produced by applied biology
3 : related by direct genetic relationship rather than by adoption or marriage an adoptee who searched for years for her biological parents

Other Words from biological

biologically \ -​i-​k(ə-​)lē How to pronounce biologically (audio) \ adverb

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