section, subdivision - a self-contained part of a larger composition (written or musical); "he always turns first to the business section"; "the history of this work is discussed in the next section"

exordium - (rhetoric) the introductory section of an oration or discourse

opening - the initial part of the introduction; "the opening established the basic theme"

foreword, preface, prolusion - a short introductory essay preceding the text of a book

preamble - a preliminary introduction to a statute or constitution (usually explaining its purpose)

prologue - an introduction to a play

recital, yarn, narration - the act of giving an account describing incidents or a course of events; "his narration was hesitant"

speech, address - the act of delivering a formal spoken communication to an audience; "he listened to an address on minor Roman poets"

commencement, start, beginning - the act of starting something; "he was responsible for the beginning of negotiations"

induction - the act of bringing about something (especially at an early time); "the induction of an anesthetic state"

product introduction - the introduction (usually by an advertising campaign) of a new product or product line

ushering in - the introduction of something new; "it signalled the ushering in of a new era"

naturalisation, naturalization - the introduction of animals or plants to places where they flourish but are not indigenous

making known, informing - a speech act that conveys information

debut - the presentation of a debutante in society

reintroduction - an act of renewed introduction

school text, schoolbook, text edition, textbook, text - a book prepared for use in schools or colleges; "his economics textbook is in its tenth edition"; "the professor wrote the text that he assigned students to buy"

proposal - something proposed (such as a plan or assumption)

movement - the act of changing the location of something; "the movement of cargo onto the vessel"

cannulation, cannulisation, cannulization, canulation, canulisation, canulization, intubation - the insertion of a cannula or tube into a hollow body organ

instillation, instillment, instilment - the introduction of a liquid (by pouring or injection) drop by drop

enclosing, envelopment, inclosure, enclosure - the act of enclosing something inside something else

injection - the forceful insertion of a substance under pressure

blood transfusion, transfusion - the introduction of blood or blood plasma into a vein or artery

perfusion - pumping a liquid into an organ or tissue (especially by way of blood vessels)

commencement, start, beginning - the act of starting something; "he was responsible for the beginning of negotiations"

authorship, paternity - the act of initiating a new idea or theory or writing; "the authorship of the theory is disputed"