markers
markers — noun
- markerssingular
- markersesplural
1. an object or sign placed to show the edge, position, or direction of something,
an object or sign placed to show the edge, position, or direction of something, such as a property line, a hiking trail, or a dangerous area.
The red flags on the beach are markers that show where swimmers should stay inside the safe zone.
markers + that-clause showing location
Putri followed the stone markers along the mountain path so she would not get lost in the fog.
The wooden posts serve as boundary markers between the two farms.
Théo checked the distance markers on the highway to see how much farther he had to drive.
用法筆記
Often appears in compounds such as boundary marker, trail marker, and distance marker.
常見錯誤
2. a physical structure, such as a stone slab or wall plaque, placed to commemorate
a physical structure, such as a stone slab or wall plaque, placed to commemorate a person, an important occasion, or a burial location.
A granite marker stands at the entrance of the town square to honour the soldiers who died in the war.
collocation: granite marker / stone marker
Roya placed flowers beside the grave marker where her grandmother was buried last spring.
collocation: grave marker
The city council installed a bronze marker near the old library to celebrate its hundredth anniversary.
Visitors stopped to read the historical marker that described the battle that took place on that field in 1776.
用法筆記
Distinguish from sense 1: a memorial marker is created intentionally as a tribute, not simply to show a location or boundary.
3. a gene, protein, or other biological substance that indicates the presence of a
a gene, protein, or other biological substance that indicates the presence of a disease, condition, or the origin of a cell or organism.
Doctors can test for certain genetic markers to find out if a person is at risk for breast cancer.
collocation: genetic markers
High levels of the protein act as a marker that signals inflammation in the body.
act as + marker + that-clause
Researchers identified a new biomarker in the blood that can help detect early-stage kidney disease.
The lab report listed several tumour markers that the oncologist used to monitor the patient's progress.
用法筆記
Common in compounds: genetic marker, biomarker, tumour marker. Frequently appears in medical journals and research articles.
4. a writing tool whose thick felt point produces bold strokes, commonly used on wh
a writing tool whose thick felt point produces bold strokes, commonly used on whiteboards, paper, or to emphasise text.
The teacher picked up a red marker and wrote the homework assignment on the whiteboard.
Chiara used a yellow highlighter marker to underline the most important sentences in her textbook.
compound: highlighter marker
Please bring a set of coloured markers for the art project tomorrow.
Dylan drew a colourful poster for the school fair using a box of washable markers.
The office supply cupboard had black whiteboard markers, but all the blue ones were dry.
- felt-tip pen
the general term; marker is more common in everyday speech
- highlighter
a specific type of marker for highlighting text
用法筆記
Often specified by type: whiteboard marker, permanent marker, highlighter marker, felt-tip marker.
常見錯誤
5. in ball games such as football, a player assigned to guard a particular opponent
in ball games such as football, a player assigned to guard a particular opponent closely, blocking passes and limiting their chances to score.
Zuri played as a marker in the match and did not let the opposing striker touch the ball once.
The coach assigned each defender a marker so every opponent was covered during the corner kick.
passive: was assigned + marker
A good marker stays focused on the opponent and watches both the ball and the player at the same time.
Adina took on the role of marker and did not let her opponent receive a single pass.
用法筆記
Chiefly British English. In American English the equivalent role is usually called a guard or defender rather than a marker.
6. an official who tracks and records the points or strokes earned by competitors d
an official who tracks and records the points or strokes earned by competitors during a match, most commonly in golf.
Dahlia volunteered to be the marker for the golf tournament and wrote down each player's score after every hole.
The marker sat at the table beside the course and checked the numbers on each scorecard before submitting them.
In professional tournaments, the marker must sign the scorecard to confirm the results are correct.
Rin acted as the official marker for the junior golf club's annual competition.
- scorekeeper
the more common term in most sports
- scorer
used in various sports, including tennis and cricket
用法筆記
Distinguish from sense 5: a marker in sports can also mean a scorekeeper, which is a non-playing role.