progesterone
noun/proʊˈdʒɛstəroʊn/
Frequency rank: #12,939 most common English word
Meaning
A steroid hormone produced mainly by the ovaries that prepares and maintains the uterus for pregnancy.
Example sentence
During pregnancy, progesterone levels rise significantly to help maintain the uterine lining.
Practice this word in the quiz
More words in ranks 12,901–13,000
- pitchforka long-handled farm tool with two or more sharp metal prongs, used for lifting and pitching hay or straw.
- placidCalm and undisturbed; not easily upset or excited.
- poxan infectious disease causing pustules or blisters on the skin, or a curse on someone or something.
- pretensea false appearance or action intended to deceive others.
- principledActing according to strong moral rules or beliefs.
- quartA unit of liquid measure equal to two pints or about 0.95 liters.
- rabbleA disorderly, noisy crowd of people.
- raisina dried grape, often used in baking or cooking.
- reappearto appear again after being absent or hidden
- rearrangeto change the position, order, or organization of something.