log
log — noun
1. a thick length of wood taken from a tree trunk or large branch, often cut short
a thick length of wood taken from a tree trunk or large branch, often cut short enough to burn inside a fireplace or outdoor fire pit
Mayumi tossed another log onto the fire and watched the sparks rise.
collocation: toss a log onto the fire
The cabin had a pile of split logs stacked against the wall for the winter.
collocation: split logs / a pile of logs
Wren sat on a fallen log near the river and sketched the view across the valley.
The children dragged a heavy log to the campfire and pushed it into the flames.
Bao used a chainsaw to cut the fallen tree into logs for the wood stove.
文法句型
a log
logs of [wood type]
用法筆記
A log is thicker and chunkier than a branch or a stick. When cut into smaller pieces for burning, it is often called firewood.
常見錯誤
2. a book, document, or data file in which someone enters a careful factual account
a book, document, or data file in which someone enters a careful factual account of events, journeys, communications, or other observations
The captain wrote a daily log of the weather and the distance the ship had travelled.
collocation: daily log / ship's log
Kwame kept a log of every phone call he made for the customer service project.
collocation: keep a log
The server saves an error log whenever the system crashes.
Heloísa reviewed the maintenance log to find out when the elevator was last inspected.
The security guard signed the visitors' log at the front desk every morning.
文法句型
keep a log
log of [something]
用法筆記
Frequently paired with verbs such as keep, maintain, update, and check. A log is more structured and factual than a journal or diary.
常見錯誤
3. a short informal way of saying logarithm — a value showing how many times a base
a short informal way of saying logarithm — a value showing how many times a base number must be multiplied by itself to reach another number
The teacher asked the class to calculate log base two of sixty-four.
grammar pattern: log base [number] of [number]
Gabriel used a graphing calculator to find the natural log of the data points.
collocation: natural log (abbreviated ln)
In the exam, students could leave their answers as log values without simplifying further.
To solve the equation, first take the log of both sides with the same base.
The spreadsheet uses a built-in function to compute the log of each number in the column.
- logarithm
the full formal term; interchangeable but more formal
文法句型
log base [number] of [number]
natural log (ln)
用法筆記
Common in spoken math classrooms and informal writing. In formal mathematics papers, the full term logarithm is preferred.
常見錯誤
log — verb
1. to fell trees in a forest and remove them for their timber, typically as a comme
to fell trees in a forest and remove them for their timber, typically as a commercial operation or to prepare land for other uses
The company has been logging the pine forest for over twenty years without replanting.
transitive: log [area]
Christopher spent his summers logging in the forests of northern British Columbia.
intransitive: go logging
Strict permits are required before anyone can log on public land near the national park.
Noa's grandfather logged the pine forest for thirty years before switching to maple syrup production.
The government banned logging in protected rainforests to preserve the wildlife.
文法句型
log [area]
log [trees]
go logging
用法筆記
The intransitive form (to log / to go logging) refers to the occupation or activity in general, not a single tree.
常見錯誤
2. to make an official written or digital note of information, events, or data, esp
to make an official written or digital note of information, events, or data, especially as part of a routine process
The nurse logged the patient's temperature every four hours on the chart.
collocation: log data / log information
Each delivery driver must log the time of arrival and departure on the company system.
Élise logged all her expenses in a spreadsheet at the end of every month.
The research team logs the position of each whale sighting on a shared map.
Samir logged the serial number of every piece of equipment before the audit began.
文法句型
log [something]
log [something] in/by/on [record]
用法筆記
Often used in professional and technical contexts. The object is typically factual data such as time, quantity, observations, or transactions.
常見錯誤
3. to reach a certain number of miles, kilometres, or hours of travel and note it i
to reach a certain number of miles, kilometres, or hours of travel and note it in an official record, especially as the pilot of a ship, plane, or vehicle
The cargo ship logged over eight thousand nautical miles during its Atlantic crossing.
collocation: log [distance] miles
Liam has logged more than two thousand hours of flying time since getting his licence.
collocation: log [number] hours
The delivery van logged nearly five hundred kilometres on Monday alone.
Yuki logged thirty thousand kilometres driving across Canada last summer.
Trainee pilots must log at least forty hours of night flying before the final test.
文法句型
log [distance]
log [number] miles/kilometers/hours
用法筆記
The object is always a quantity of distance or time. The person or vehicle doing the travelling is the grammatical subject.
常見錯誤
log — abbreviation
1. short written form of the word logic, used mainly in course titles and academic
short written form of the word logic, used mainly in course titles and academic references
Professor Aisha Chen teaches Phil 201: Log, a required course for the philosophy programme.
academic abbreviation
The textbook was listed in the syllabus simply as Intro to Log.
The department offers both Log and Ethics in the same semester.
Students who passed Log last year are now taking Metaphysics.
The exam timetable lists Log 101 in room 304 on Tuesday morning.
log — combining form
1. a word-part borrowed from Greek, used in English to form words related to speech
a word-part borrowed from Greek, used in English to form words related to speech, words, ideas, or rational thought — seen in words like dialogue, monologue, and logic
In monologue and catalogue, the suffix -logue comes from the Greek root log-.
appears as -logue or -log in compounds
The root log- appears in English words from dialogue to logarithm.
root: log-, -logue, -log
Words ending in -logue often describe a type of spoken exchange or written work.
The combining form -logy shares the same Greek root meaning speech or study.
Linguists trace words like prologue back to the same Greek stem logos.
用法筆記
This is a Greek-derived combining form, not an independent word. It appears as -logue (British) or -log (American) at the end of compound nouns.
log — noun combining form
1. a variant spelling of the Greek-derived suffix -logue, used in nouns such as tra
a variant spelling of the Greek-derived suffix -logue, used in nouns such as travelogue and ideologue
The form -log appears in American spellings such as catalog and dialog.
American spelling: -log; British: -logue
Travelogue is sometimes spelled travelog in American publications.
An ideologue follows a set of beliefs strictly, regardless of opposing views.
In American English, catalog uses -log rather than -logue with the same meaning.
Readers may see -log or -logue; both refer to the same Greek word stem.