result: Many hair problems result from what you eat.
stem from: Much of the instability stems from the economic effects of the war.
ar|is|toc|ra|cy /æ r I stɒ krəsi/ (aristocracies ) N‑COUNT [with sing or pl verb] The aristocracy is a class of people in some countries who have a high social rank and special titles. □ …a member of the aristocracy.
aris|to|crat /æ r I stəkræt, ər I st-/ (aristocrats ) N‑COUNT An aristocrat is someone whose family has a high social rank, especially someone who has a title.
aris|to|crat|ic /ər I stəkræ t I k/ ADJ [usu ADJ n] Aristocratic means belonging to or typical of the aristocracy. □ …a wealthy, aristocratic family.
arith|me|tic The noun is pronounced /ər I θm I t I k/. The adjective is pronounced /æ r I θme t I k/. 1 N‑UNCOUNT Arithmetic is the part of mathematics that is concerned with the addition, subtraction, multiplication, and division of numbers. □ …an arithmetic test.
2 N‑UNCOUNT [oft poss N ] You can use arithmetic to refer to the process of doing a particular sum or calculation. □ 4,000 women put in ten rupees each, which if my arithmetic is right adds up to 40,000 rupees.
3 N‑UNCOUNT If you refer to the arithmetic of a situation, you are concerned with those aspects of it that can be expressed in numbers, and how they affect the situation. □ The budgetary arithmetic suggests that government borrowing is set to surge.
4 ADJ [ADJ n] Arithmetic means relating to or consisting of calculations involving numbers. □ …simple arithmetic operations such as adding or multiplying numbers.
arith|meti|cal /æ r I θme t I k ə l/ ADJ [usu ADJ n] Arithmetical calculations, processes, or skills involve the addition, subtraction, multiplication, or division of numbers.
ark /ɑː r k/ N‑SING In the Bible, the ark was a large boat which Noah built in order to save his family and two of every kind of animal from the Flood.
arm
➊ PART OF YOUR BODY OR OF SOMETHING ELSE
➋ WEAPONS
➊ arm ◆◆◆ /ɑː r m/ (arms )
1 N‑COUNT [oft poss N ] Your arms are the two long parts of your body that are attached to your shoulders and that have your hands at the end. □ She stretched her arms out. □ He had a large parcel under his left arm.
2 N‑COUNT The arm of a piece of clothing is the part of it that covers your arm.
3 N‑COUNT The arm of a chair is the part on which you rest your arm when you are sitting down.
4 N‑COUNT An arm of an object is a long thin part of it that sticks out from the main part. □ [+ of ] …the lever arm of the machine. □ [+ of ] …the arms of the doctor's spectacles.
5 N‑COUNT An arm of land or water is a long thin area of it that is joined to a broader area. □ [+ of ] At the end of the other arm of Cardigan Bay is Bardsey Island.
6 N‑COUNT [usu sing] An arm of an organization is a section of it that operates in a particular country or that deals with a particular activity. □ [+ of ] Millicom Holdings is the British arm of an American company.
7 PHRASE If two people are walking arm in arm , they are walking together with their arms linked. □ [+ with ] He walked from the court arm in arm with his wife.
8 PHRASE If you say that something costs an arm and a leg , you mean that it is very expensive. [INFORMAL ] □ A week at a health farm can cost an arm and a leg.
9 PHRASE If you hold something at arm's length , you hold it away from your body with your arm straight. □ He struck a match, and held it at arm's length.
10 PHRASE If you keep someone at arm's length , you avoid becoming too friendly or involved with them. □ She had always kept his family at arm's length.
11 PHRASE If you welcome some action or change with open arms , you are very pleased about it. If you welcome a person with open arms , you are very pleased about their arrival. [APPROVAL ] □ They would no doubt welcome the action with open arms.
12 PHRASE If you twist someone's arm , you persuade them to do something. [INFORMAL ] □ She had twisted his arm to get him to invite her.
➋ arm ◆◆◆ /ɑː r m/ (arms , arming , armed )
1 N‑PLURAL [oft N n] Arms are weapons, especially bombs and guns. [FORMAL ] □ The group had extensive supplies of arms. □ …arms control.
2 VERB If you arm someone with a weapon, you provide them with a weapon. □ [V n + with ] She'd been so terrified that she had armed herself with a loaded rifle. □ [V n] Arming the police doesn't deter crime.
3 VERB If you arm someone with something that will be useful in a particular situation, you provide them with it. □ [V n + with ] If she armed herself with knowledge, she could handle anything.
4 N‑PLURAL The arms of a city or of a noble family are its coat of arms. Arms is often used in the names of British pubs. □ …china painted with the arms of Philippe V. □ …his local pub, the Abercorn Arms.
5 → see also armed , -armed , coat of arms , comrade-in-arms , small arms
6 PHRASE A person's right to bear arms is their right to own and use guns, as a means of defence.
7 PHRASE If soldiers lay down their arms , they stop fighting and give up their weapons. [OLD-FASHIONED ]