Roots Lesson 16

an instrument that is used to measure air pressure and predict changes in the weather

• barometer

• diameter

• optometry

• perimeter

• symmetry

the distance through the center of a circle or sphere from one side to the other

• barometer

• diameter

• optometry

• perimeter

• symmetry

the profession of examining people's eyes to find out if they need eyeglasses or medical treatment

• barometer

• diameter

• optometry

• perimeter

• symmetry

the outside edge of an area or surface;

the total length of the lines that form a shape

• barometer

• diameter

• optometry

• perimeter

• symmetry

the quality of something that has two sides or halves that are the same or very close in size, shape, and position

• barometer

• diameter

• optometry

• perimeter

• symmetry

something that is done to prevent possible harm or trouble from happening in the future

• precaution

• forecast

• antebellum

• antecedent

• postpone

a statement about what will happen in the future

• precaution

• forecast

• antebellum

• antecedent

• postpone

occurring in the southern United States before the Civil War

• precaution

• forecast

• antebellum

• antecedent

• postpone

something that came before something else and may have influenced or caused it

• precaution

• forecast

• antebellum

• antecedent

• postpone

to decide that something which had been planned for a particular time will be done at a later time instead

• precaution

• forecast

• antebellum

• antecedent

• postpone