Prefix:
1. LINGUISTICS a group of letters that is added to the beginning of a word to change its meaning. For example, the prefix ‘un-’ is added to the word ‘tidy’ to form ‘untidy’.
2. a title such as ‘Dr’ or ‘Mrs’ that is used before someone’s name
Suffix:
a letter or group of letters added to the end of a word to make a different word. For example, the suffix ‘-ness’ is added to ‘great’ and ‘happy’ to make ‘greatness’ and ‘happiness’.
Roots:
1. basic form of a word
2. [COUNTABLE] LINGUISTICS the most basic form of a word, or a word that is the base for other words
-titude: state or condition
Attitude
: the way you think and feel about someone or something
e.g. He has a positive/negative attitude about the changes.
: a feeling or way of thinking that affects a person's behavior
He has an aggressive/rebellious attitude.
: a way of thinking and behaving that people regard as unfriendly, rude, etc.
I don't know what her problem is. She has a real attitude.
: a particular way of positioning your body
She bowed her head in an attitude of prayer.
Longitude
: distance measured in degrees east or west from an imaginary line (called the prime meridian) that goes from the North Pole to the South Pole and that passes through Greenwich, England
[noncount]
e.g. a map of the world showing lines of latitude and longitude
[count] : an imaginary line that circles the Earth at a particular longitude
The regions are on roughly the same longitude.
Aptitude
: a natural ability to do something or to learn something
e.g. The new test is supposed to measure the aptitudes of the students.
De-: down, away from
Depart
: to leave a place especially to start a journey
[no object]
e.g. The group is scheduled to depart tomorrow at 8:00 a.m.
: to leave a job or position
He is departing after 20 years with the company.
: to change something or do something in a different way — usually + from
The river departs [=turns, deviates] from its original course a few miles downstream.
depart this life formal
: to die
Descend
: to go down : to go or move from a higher to a lower place or level
e.g. Wait for the elevator to descend.
: to slope or lead downward
e.g. The path descends to the river.
: to go or change to a worse state or condition — + into
e.g. After his wife died, he descended [=sank] into a deep depression.
: to appear or happen like something that comes down from the sky
e.g. As night descended, the campers built a fire.
Decline
: to become lower in amount or less in number
e.g. Oil prices continue to decline. [=decrease, fall]
: to become worse in condition or quality
e.g. The patient's condition has declined. [=worsened, deteriorated]
: to say that you will not or cannot do something
e.g. The company declined comment on the scandal.
Dia-: through; between; across
Diameter
: a straight line from one side of something (such as a circle) to the other side that passes through the center point
e.g. The dotted line indicates the diameter of the circle.
: the distance through the center of something from one side to the other
e.g. What is the diameter of the tree trunk?
Dialogue
: the things that are said by the characters in a story, movie, play, etc.
e.g. He is an expert at writing dialogue.
: a discussion or series of discussions that two groups or countries have in order to end a disagreement
e.g. The two sides involved in the labor dispute are trying to establish a dialogue.
: a conversation between two or more people
e.g. They had a lengthy dialogue [=(more commonly) talk] about her plans for college.
Diagnosis
: the act of identifying a disease, illness, or problem by examining someone or something
e.g .The unusual combination of symptoms made accurate diagnosis difficult.
: a statement or conclusion that describes the reason for a disease, illness, or problem
e.g. The diagnosis was a mild concussion.
The history of English in ten minutes
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