pencil
Thin tool for writing or drawing
A thin stick you use to write or draw, made of wood or plastic with a dark or colored center.
[someone] writes/draws with a pencil
- She pulled a pencil from her bag and started taking notes.
- Please use a pencil, not a pen, on the test.
- The designer sketched the logo with a soft 2B pencil.
- I can’t find my mechanical pencil anywhere.
- The child colored the picture with bright colored pencils.
- I need a pencil to write this word.
- There is a sharp pencil on the desk.
- The boy draws a house with his blue pencil.
- Put your pencils back in the pencil case.
Write or draw with a pencil
To write or draw with a pencil, usually in a light or simple way.
to pencil [something]
- She penciled a quick map on the back of the envelope.
- The architect penciled an outline of the new building.
- He carefully penciled the answers in the boxes.
- I like to pencil little flowers around the edge of the page.
- The girl pencils a big star on the paper.
- He pencils his name at the top of the test.
- The artist pencils a face before adding color.
- Please pencil the numbers next to each picture.
Arrange something only tentatively
To write a time or plan in a calendar or list, but in a way that can still change.
to pencil [someone/something] in
- Let’s pencil the meeting in for Tuesday morning.
- I can pencil you in for 3 p.m., but I may need to move it.
- They penciled the concert in for July, pending the singer’s approval.
- I’ve penciled in a visit to the museum while we’re in Paris.
- Can I pencil you in for Friday?
- The manager pencils in a short meeting at ten.
- We pencil in our holiday for next month, but it may change.
- She pencils the job interview in her calendar.
Narrow beam of light or similar
A thin line or beam of light or other things, like smoke or water, going in one direction.
a pencil of [light/smoke/etc.]
- A pencil of light came through the hole in the curtain.
- The laser produced a fine pencil of red light.
- Smoke rose in a thin pencil from the chimney.
- Engineers focused a pencil of X-rays on the sample.
- A thin pencil of light comes through the door.
- We see a small pencil of smoke over the trees.
- The machine sends a pencil of X-rays into the body.
- Water falls from the pipe in a narrow pencil.
Family of related geometric objects
In mathematics, a group of lines, circles, or other shapes that all share the same special point, line, or rule.
a pencil of [lines/circles/conics/etc.]
- The two points determine a pencil of circles.
- We consider the pencil of lines through the origin.
- This transformation maps the pencil of conics onto itself.
- The lecturer illustrated a pencil of planes intersecting a line.
- In this exercise, we draw a pencil of lines through one point.
- The teacher shows a pencil of circles with the same center.
- In higher math, a pencil of curves is a family of similar curves.
- The book explains how a pencil of planes can meet in one line.
- Base: pencil
- Plural: pencil, pencils
paper and pencil
1Using basic hand-writing tools
Using paper and a pencil, not a computer or phone, to write, draw, or do problems.
- You won’t need a computer for the test; it’s just paper and pencil.
- He prefers to do math with paper and pencil instead of a calculator.
- Before we start coding, let’s sketch the idea with paper and pencil.
pencil in
1Add something to a schedule tentatively
To write a plan, time, or meeting into your calendar in a way that can still change.
- I’ll pencil you in for Tuesday afternoon, and we can change it if needed.
- They penciled in the launch date for August, but it isn’t final yet.
- Let’s pencil in dinner next week and confirm the day later.
put pencil to paper
1Start writing something
To start writing something, such as a letter, story, or plan.
- I’ve been thinking about the novel for years, but I still haven’t put pencil to paper.
- Once she put pencil to paper, the ideas started to flow.
- It’s time to put pencil to paper and write your goals for the year.