Glossary

Partial-word, boolean (AND, OR, NOT) and "exact phrase" searches are supported.


TermDefinition
Tokenization Tokenization is the process of converting raw text into a sequence of tokens for model input.
Artificial Intelligence
ToxicityThe degree to which a substance can harm living organisms. Toxicity depends on the dose.
Science General
Toxoid vaccineA vaccine made from a bacterial toxin that has been inactivated so it is harmless but still triggers immunity. Tetanus and diphtheria vaccines are toxoid vaccines.
Vaccines
Trace GasAny one of the less common gases found in the Earth's atmosphere. Nitrogen, oxygen, and argon make up more than 99 percent of the Earth's atmosphere. Other gases, such as carbon dioxide, water vapor, methane, oxides of nitrogen, ozone, and ammonia, are considered trace gases.
Climate Change
TrainingThe process of adjusting a model's internal parameters using data so that it performs a task well.
Artificial Intelligence
Training DataThe text, images or other material an AI model learns from. Its gaps, errors and biases are reflected in the model's output.
Artificial Intelligence
Training data biasBias that arises when training data underrepresents or misrepresents certain groups or perspectives.
Artificial Intelligence
Transfer learningReusing a model trained on one task as the starting point for a related task.
Artificial Intelligence
TransformerA neural network architecture introduced in 2017 that uses attention to process sequences such as text. It is the basis of most modern large language models.
Artificial Intelligence
Transgenic OrganismOrganisms that have had genes from other species inserted into their genome. Transgenic means that one or more DNA sequences from another species have been introduced by artificial means. Transgenic plants can be made by introducing foreign DNA into a variety of different tissues.
Genetics