believe especially on uncertain or tentative grounds
The authors hypothesized that both the turbulent airflow generated by intense exercise and the density in dance classes contributed to virus spread.
Seattle Times
(May 27, 2020)
an organism with characteristics from chromosomal alteration
The environment selects those few mutations that enhance survival, resulting in a series of slow transformations of one lifeform into another, the origin of new species.*
Cosmos
Summer thunderstorms in the Washington area are generally transient events, sweeping across city and suburb from the north or west, following an advance guard of darkening skies.
Washington Post
(Aug 10, 2021)
undifferentiated tissue from which new cells are formed, as at the tip of a stem or root
Fruit size and other plant traits depend on what happens in the uppermost part of the stem, a growing tip called the meristem.
Science Magazine
(May 25, 2015)
The round building with a cupola atop its conical roof was built in 1888 when coal gas was a major source of light and heat.
Washington Times
(Apr 23, 2021)