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to reduce
01
削減する (さくげんする), 減少させる (げんしょうさせる)
to make something smaller in amount, degree, price, etc.
Transitive: to reduce degree or amount of something
Example
The company decided to reduce the prices of its products to attract more customers.
会社はより多くの顧客を引き付けるために、製品の価格を削減することを決定しました。
Regular exercise and a healthy diet can help reduce the risk of certain diseases.
定期的な運動と健康的な食事は、特定の病気のリスクを減少させるのに役立ちます。
02
減少する (げんしょうする), 減る (へる)
to become less in size or amount
Intransitive
Example
The swelling in her ankle has reduced significantly since she started taking medication.
As the temperature rose, the snow on the ground began to reduce, eventually melting away.
03
簡略化する, 縮小する
to simplify or present a problem or subject in a more manageable form
Complex Transitive: to reduce a problem or subject into simpler form | to reduce a problem or subject to simpler form
Example
The report was carefully condensed to reduce the complex research findings into easily understandable summaries.
In order to facilitate understanding, the lecturer reduced the intricate biological process to a series of easily digestible stages.
04
低下させる, 減少させる
to bring someone or something to a state or condition that is worse or less desirable than before
Complex Transitive: to reduce sb/sth to an undesirable state
Example
The harsh criticism from his colleagues reduced his confidence to an all-time low.
His reckless behavior reduced his once-promising career to ruins.
05
降格する, 減格する
to lower someone's rank, position, or level of responsibility
Transitive: to reduce sb to a lower rank or position
Example
Due to budget cuts, the company had to reduce several middle managers to lower positions within the organization.
After the merger, some managers were reduced to regular staff roles.
06
削減する, 簡素化する
to simplify an expression by performing operations that make it smaller or more manageable
Transitive: to reduce a mathematical expression
Example
A matrix with redundant rows or columns can be reduced by eliminating the redundancies.
0.75 can be reduced to 3/4 by expressing it as a fraction in its simplest form.
07
削減する, 制限する
to narrow down or limit the extent, size, or scope of something
Transitive: to reduce the extent or scope of something
Example
To enhance security, the organization implemented measures to reduce access to sensitive data.
In order to meet the budget constraints, the project manager had to reduce the scope of the construction project.
08
還元する, 還元される
to undergo a process where an atom, ion, or molecule gains electrons, resulting in a decrease in its oxidation
Transitive: to reduce an element or particle
Example
Oxygen gas is often reduced to water during combustion reactions.
The copper ions in the solution were successfully reduced to form a metallic copper deposit on the cathode.
09
減量する, 体重を減らす
to lose body weight through lifestyle changes, dietary modifications, physical activity, or medical treatments
Intransitive
Example
She 's been working hard to reduce for her upcoming wedding.
Despite her busy schedule, she managed to reduce significantly by cutting out junk food.
10
煮詰める, 濃縮する
to simmer a liquid until it thickens and intensifies in flavor through evaporation
Transitive: to reduce a liquid
Example
The chef reduced the balsamic vinegar until it formed a thick, sweet glaze for the steak.
The recipe instructed to reduce the chicken broth until it thickened, adding richness to the soup.
11
縮約する (しゅくやくする), 省略する (しょうりゃくする)
to modify the pronunciation of a word or sound to make it easier to articulate or to accommodate the rhythm and flow of speech
Transitive: to reduce a word or sound
Example
In English, the pronunciation of the word " button " may be reduced in casual speech to " buh-in ".
The unstressed vowel in the word " banana " is often reduced to a schwa sound ( ə ) in connected speech.
12
減数分裂を行う (げんすうぶんれつをおこなう), 減少させる (げんしょうさせる)
to halve the chromosome number during cell division
Intransitive
Example
In spermatogenesis, primary spermatocytes reduce through meiosis to form haploid spermatids.
During meiosis, homologous chromosomes pair up and exchange genetic material before the cells reduce.
13
整復する, 骨折を整復する
to restore a dislocated or fractured bone to its normal position or alignment
Transitive: to reduce a bone
Example
The orthopedic surgeon successfully reduced the patient's fractured femur back into its proper alignment.
After the car crash, the paramedics administered pain relief to the injured driver before attempting to reduce the displaced hip joint.
14
制圧する, 征服する
to gain control over somebody or something by overcoming resistance or opposition
Transitive: to reduce sb/sth
Example
Despite their outnumbered forces, the general 's strategy was to reduce the enemy stronghold through relentless siege tactics.
The army 's decisive victory reduced the opposing forces, securing control over the region.
