|
Reverse Search
Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.
Search for entries that contain:
Exact matches of any of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" or the word "orange."
Any form of any of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" or "apples" or "orange" or "oranges."
Exact matches of all of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" and the word "orange."
The exact sequence of words and/or characters entered in the search box (for example, a fragment of a word, a single word, multiple words, or even a phrase containing punctuation)
Example: Searching for "a variety of apple" identifies all entries that contain that phrase. Searching for "app" identifies all entries that contain the letters "app," such as occurrences of "apple," "application," and "apply."
Search within these fields:
Optional:
Limit by part of speech:
brain |
the organ inside the skull of humans and animals. The brain is the main part of the central nervous system. It controls the body's movements and activities and is the center of thought, memory, and feelings. [1/3 definitions] |
caffeine |
a bitter substance found in coffee, tea, chocolate, and some sodas. Caffeine stimulates the heart and nervous system and can cause a person to stay awake and alert. |
epilepsy |
a nervous system disorder that causes convulsions and unconsciousness. |
pain |
physical hurt or discomfort that is usually caused by injury or illness. Pain is the nervous system's way of telling the brain that something is wrong. [1/5 definitions] |
paralysis |
a loss of feeling in or the ability to move a body part. Paralysis is caused by injury or disease of the nervous system. |
polio |
a short form of "poliomyelitis," a disease caused by a virus that attacks the spinal cord and damages the nervous system. Poliomyelitis affects mainly children and can lead to paralysis or deformed limbs. |
poliomyelitis |
a disease caused by a virus that attacks the spinal cord and damages the nervous system. Poliomyelitis affects mainly children and can lead to paralysis or deformed limbs. Jonas Salk invented a vaccine that prevents poliomyelitis. |
reflex |
a response or reaction of the body that is not chosen or controlled by conscious thought. A reflex occurs when the nervous system reacts to a stimulus. [1/3 definitions] |
|
|