Children's Illustrated Dictionary.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

rocket

rockets noun

1 an engine that

powers a spacecraft.

Hot gases are

released from

the rear of the

engine, causing

the craft to

move forward.

2 a type of

firework that shoots into

the sky and explodes.

rode

from the verb to ride

She rode her horse last week.

rodent

rodents noun

a small, usually nocturnal

mammal with long front

teeth for gnawing food. Some

rodents eat insects and

plants, while others only

eat plants. Rats, mice, and

squirrels are rodents.

N say road-nt

roll

rolls rolling rolled verb

1 to move by turning over

and over.

The logs rolled down the hill.

2 to move on wheels.

3 to tilt from side to side, like

a ship on a rough sea.

4 to flatten something by

moving a tool over it.

roll

rolls noun

1 paper, cloth, film,

or other material

that has been

wound onto

a tube.

rolls of

wrapping paper

2 a rounded piece of bread

or pastry.

bread

rolls

roof

roofs noun

1 the outside covering on top

of a vehicle or a building.

2 the highest surface inside

your mouth or a cave.

room

rooms noun

1 one of the separate areas

inside a building.

bathroom

2 space.

Is there any room in the car

for me?

roost

roosts roosting roosted verb

to settle down for the night,

usually done by birds.

root

roots noun

the part of a plant that

usually grows underground.

A plant’s roots supply it with

water and minerals from

the soil.

rope

ropes noun

a strong, thick piece of

twisted string or wire.

coil of rope

rose

roses noun

a plant

with thorns

along its

stem and

flowers with

many petals.

rose

from the verb to rise

The Sun rose in the sky.

rot

rots rotting rotted verb

to go bad, or to weaken and

break down.

rotten adjective

rotate

rotates rotating rotated verb

to turn around a central

point like a wheel does.

The Earth rotates on its axis.

rotation noun

rough

adjective

1 uneven, or not smooth.

A rough sea.

2 approximate, or not exact.

A rough guess.

N comparisons rougher

roughest

round

adjective

shaped like a circle, with

no corners.

route

routes noun

the path you take to get from

one place to another.

We drew our route on the map

in red.

N say root

routine

routines noun

a regular activity.

N say roo-teen

row

rows noun

a line of several things next

to each other.

N rhymes with toe

row

rows rowing rowed verb

to make a boat move forward

by pulling it through the

water with oars.

rocket

axis