positive

sure, certain, definite, positive

名词 positive:

1. a film showing a photographic image whose tones correspond to those of the original subject

形容词 positive:

1. characterized by or displaying affirmation or acceptance or certainty etc.
2. having a positive electric charge
   同义词：electropositive
3. involving advantage or good
   同义词：plus
4. indicating existence or presence of a suspected condition or pathogen
   同义词：confirming
5. formally laid down or imposed
   同义词：prescribed
6. impossible to deny or disprove
   同义词：incontrovertible, irrefutable
7. of or relating to positivism
   同义词：positivist, positivistic
8. reckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion
9. greater than zero
10. marked by excessive confidence
    同义词：cocksure, overconfident
11. persuaded of; very sure
    同义词：convinced, confident

1. Her behaviour was a positive outrage.
   她的行为残暴到了极点。
2. He was positive that he had seen it in the newspaper.
   他肯定他已在报纸上看见过。
3. This charge is a positive charge.
   这个电荷是正电荷。
4. There is positive proof that he did it.
   有确切的证据证明他做了此事。

pos.i.tive

adj.Abbr. pos.（形容词）缩写 pos.
Characterized by or displaying certainty, acceptance, or affirmation:
肯定的：以确定性、同意或证实为特征的或展现这些特性的：
例句：
a positive answer; positive criticism.
肯定的回答；肯定的评论

Measured or moving forward or in a direction of increase or progress.
进步的：向着增长或发展的方向移动或合乎这种标准的
Explicitly or openly expressed or laid down:
明确的：明确或公开地表达或制定的：
例句：
a positive demand.
明确的要求

Admitting of no doubt; irrefutable:
无疑的：不容置疑的；无法辩驳的：
例句：
positive proof.
不容置疑的证据

Very sure; confident:
确定的，有信心的：十分有把握的；自信的：
例句：
I`m positive he`s right.See Synonyms at sure
我坚信他是正确的参见 sure

Overconfident; dogmatic.
独断的：过于自信的；顽固的
Formally or arbitrarily determined; prescribed.
指定的：正式或擅自决定的；规定的
Concerned with practical rather than theoretical matters.
实证的：与实际而不是理论事物有关的
Composed of or characterized by the presence of particular qualities or attributes; real.
镇定的：由特殊品质或特质组成的或以其为特点的；真实的
Philosophy
【哲学】
Of or relating to positivism.
实证主义的：实证哲学的或与此有关的
Of or relating to laws imposed by human authority rather than by nature or reason alone:
由权威制定的法律的：由人类的权威而不是由自然或理性施行的法律的，或与之有关的：
例句：
.the glaring discrepancy between American positive law and natural rights.(David Brion Davis)
.存在于美国政策性法律与人权之间明显的矛盾.(戴维·布列恩·戴维斯)

Of or relating to religion based on revelation rather than on nature or reason alone.
启示的，默示的：基于启示而不是单以自然或理性的宗教的，或与其有关的
Informal Utter; absolute:
【非正式用语】 全然的：完全的；绝对的：
例句：
a positive darling.
极亲爱的人

Mathematics
【数学】
Relating to or designating a quantity greater than zero.
正的：与比零大的数量有关的或表示比零大的数量的
Relating to or designating the sign ( + ).
正号的：表示或关于正号(+)的
Relating to or designating a quantity, number, angle, or direction opposite to another designated as negative.
正向的：关于或表明与另一个表示为负的相反的数量、数字、角度或方向的
Physics Relating to or designating electric charge of a sign opposite to that of an electron.
【物理学】 正电的：与电子所带电性相反的电荷的，表示正电的或阳性的
Medicine Indicating the presence of a particular disease, condition, or organism:
【医学】 阳性的：表明某种疾病、病症或有机体的存在的：
例句：
a positive test for pregnancy.
验孕呈阳性反应

Biology Indicating or characterized by response or motion toward the source of a stimulus, such as light:
【生物学】 对刺激的反应度的：表明对刺激源的回应或运动的、或以其为特点的，例如对于光：
例句：
positive tropism.
向刺激方向运动的属性

Having the areas of light and dark in their original and normal relationship, as in a photographic print made from a negative.
正片的：使明暗区处于它们原本及正常的关系中的，如位于从底片印出的相片上
Grammar Of, relating to, or being the simple uncompared degree of an adjective or adverb, as opposed to either the comparative or superlative.
【语法】 原级的：形容词或副词与比较级及最高级的相对简单的原形的，或与这一原形有关的
Driven by or generating power directly through intermediate machine parts having little or no play:
直接的：直接由有很少或完全没有转动空间的中级机器设备启动或产生动力的：
例句：
positive drive.
直接的驱动力量

n.（名词）
An affirmative element or characteristic.
明确的要素：被证实的因素或特点
Philosophy Something perceptible to the senses.
【哲学】 可实证物：感觉器官能察觉到的事物
Mathematics A quantity greater than zero.
【数学】 正值：比零大的数量
Physics A positive electric charge.
【物理学】 正电：正电荷，阳电荷
A photographic image in which the lights and darks appear as they do in nature.
正片：明暗在其上的显示与在自然中一样的影像
Grammar
【语法】
The uncompared degree of an adjective or adverb.
原级：形容词或副词的非比较级
A word in this degree.
原级词：原级形容词或副词
Music A division of some pipe organs, similar in sound to the great but smaller and less powerful.
【音乐】 琴管：管风琴的一种，与大管风琴的音质相似，但比其小而且音量较其弱

来源：
Middle English [having a specified quality]
中古英语 [具有某种品质的]
from Old French positif
源自 古法语 positif
from Latin positovus [formally laid down]
源自 拉丁语 positovus [正式制定的]
from positus [past participle of] pônere [to place] * see apo-
源自 positus [] pônere的过去分词 [放置] *参见 apo-

【引伸】
pos.itively
adv.（副词）
pos.itiveness 或
pos.itiv.ity
n.（名词）