English English
CEFR LEVEL
3335 entries have no recorded CEFR level and are included in All.
nuclear
word B1connected with the energy inside atoms; also a small family unit of parents and children relating to the nucleus of an atom or to nuclear energy; relating to the nucleus of an atom or to nuclear energy
↗nucleus
word B1The central and most important part of an object, movement, or group; in biology, the membrane-enclosed organelle of a cell containing genetic material; in physics, the positively charged dense center of an atom.; The central core of an atom containing protons and neutrons. The central and most important part of something, forming the basis for its activity and growth; in biology, the central part of a cell.
↗nuisance
word B2A person, thing, or circumstance causing inconvenience or annoyance.
↗number
word A1a count, figure, phone contact, or position in a list a mathematical value used to count, measure, or label; a mathematical value used to count, measure, or label
↗Number Cruncher
idiomA person or computational tool that analyzes large amounts of quantitative or financial data.
↗numerous
word B1many; a large number of existing in large numbers; many; abundant existing in large numbers; many
↗nurse
word A1a trained person who cares for sick or injured people to care for someone who is sick or injured; to feed a baby a person trained to care for sick or injured people, especially in a hospital A person trained to care for the sick; to take care of someone or something.; to care for someone who is sick or injured; to feed a baby a person trained to care for sick or injured people, especially in a hospital A person trained to care for the sick; to take care of someone or something.
↗nurturing
word C1Caring, protective, and helpful to the growth or development of someone or something.
↗Nutmeg
word C1an aromatic spice made from the dried seed of an evergreen tree, used in baking and savory cooking
↗nutrient-dense
word C1Containing a high proportion of essential vitamins, minerals, and other nutrients relative to its calorie content.
↗