Hear a word and type it out. How many can you get right?
TAKE THE QUIZ“of an”
The following 9 entries include the term of an.
axis of an airfoil
: a line perpendicular to an airfoil section
bill in aid of an execution
: a creditor's bill filed to reach assets subject to execution but fraudulently transferred
elements of an orbit
: a set of numerical quantities that define the orbit of a member of the solar system or of a binary star and permit computation of the body's position at any given time
flower-of-an-hour
noun: an annual weedy plant (Hibiscus trionum) with ephemeral yellow purple-eyed flowers
inclination of an orbit
: the angle between the plane of the orbit and the plane of the ecliptic
service of an heir
: a proceeding by inquest of a jury or by publication and proof before a competent officer without a jury to determine the heir of a person deceased
in the twinkle/twinkling of an eye
idiom: very quickly
on the right side of (an age)
idiom—used with an age (such as 30, 40, 50, etc.) to say that someone is younger than that age
on the wrong side of (an age)
idiom—used with an age (such as 30, 40, 50, etc.) to say that someone is older than that age
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Merriam-Webster unabridged
