unitisation n 1: (psychology) the configuration of smaller units of information into large coordinated units [syn: {unitization}, {chunking}] 2: the act of packaging cargo into unit loads [syn: {unitization}] 3: conversion of an investment trust into a unit investment trust [syn: {unitization}] 4: the joint development of a petroleum resource that straddles territory controlled by different companies [syn: {unitization}]